lavc: VAAPI H.264 encoder
[libav.git] / configure
1 #!/bin/sh
2 #
3 # Libav configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
43 fi
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN LIBAV, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken Libav."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
54 exit 1
55 fi
56
57 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
58
59 show_help(){
60 cat <<EOF
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
63
64 Help options:
65 --help print this message
66 --list-decoders show all available decoders
67 --list-encoders show all available encoders
68 --list-hwaccels show all available hardware accelerators
69 --list-demuxers show all available demuxers
70 --list-muxers show all available muxers
71 --list-parsers show all available parsers
72 --list-protocols show all available protocols
73 --list-bsfs show all available bitstream filters
74 --list-indevs show all available input devices
75 --list-outdevs show all available output devices
76 --list-filters show all available filters
77
78 Standard options:
79 --logfile=FILE log tests and output to FILE [config.log]
80 --disable-logging do not log configure debug information
81 --prefix=PREFIX install in PREFIX [$prefix]
82 --bindir=DIR install binaries in DIR [PREFIX/bin]
83 --datadir=DIR install data files in DIR [PREFIX/share/avconv]
84 --docdir=DIR install documentation in DIR [PREFIX/share/doc/libav]
85 --libdir=DIR install libs in DIR [PREFIX/lib]
86 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
87 --incdir=DIR install includes in DIR [PREFIX/include]
88 --mandir=DIR install man page in DIR [PREFIX/share/man]
89 --enable-rpath use rpath when linking programs [USE WITH CARE]
90
91 Licensing options:
92 --enable-gpl allow use of GPL code, the resulting libs
93 and binaries will be under GPL [no]
94 --enable-version3 upgrade (L)GPL to version 3 [no]
95 --enable-nonfree allow use of nonfree code, the resulting libs
96 and binaries will be unredistributable [no]
97
98 Configuration options:
99 --disable-static do not build static libraries [no]
100 --enable-shared build shared libraries [no]
101 --enable-small optimize for size instead of speed
102 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
103 --enable-gray enable full grayscale support (slower color)
104 --disable-swscale-alpha disable alpha channel support in swscale
105 --disable-all disable building components, libraries and programs
106
107 Program options:
108 --disable-programs do not build command line programs
109 --disable-avconv disable avconv build
110 --disable-avplay disable avplay build
111 --disable-avprobe disable avprobe build
112 --disable-avserver deprecated, does nothing
113
114 Component options:
115 --disable-doc do not build documentation
116 --disable-avdevice disable libavdevice build
117 --disable-avcodec disable libavcodec build
118 --disable-avformat disable libavformat build
119 --disable-avutil disable libavutil build
120 --disable-swscale disable libswscale build
121 --disable-avfilter disable video filter support [no]
122 --disable-avresample disable libavresample build [no]
123 --disable-pthreads disable pthreads [auto]
124 --disable-w32threads disable Win32 threads [auto]
125 --disable-network disable network support [no]
126 --disable-dct disable DCT code
127 --disable-error-resilience disable error resilience code
128 --disable-lsp disable LSP code
129 --disable-lzo disable LZO decoder code
130 --disable-mdct disable MDCT code
131 --disable-rdft disable RDFT code
132 --disable-fft disable FFT code
133 --disable-faan disable floating point AAN (I)DCT code
134
135 Hardware accelerators:
136 --enable-d3d11va enable D3D11VA code
137 --enable-dxva2 enable DXVA2 code
138 --enable-vaapi enable VAAPI code
139 --enable-vda enable VDA code
140 --enable-vdpau enable VDPAU code
141
142 Individual component options:
143 --disable-everything disable all components listed below
144 --disable-encoder=NAME disable encoder NAME
145 --enable-encoder=NAME enable encoder NAME
146 --disable-encoders disable all encoders
147 --disable-decoder=NAME disable decoder NAME
148 --enable-decoder=NAME enable decoder NAME
149 --disable-decoders disable all decoders
150 --disable-hwaccel=NAME disable hwaccel NAME
151 --enable-hwaccel=NAME enable hwaccel NAME
152 --disable-hwaccels disable all hwaccels
153 --disable-muxer=NAME disable muxer NAME
154 --enable-muxer=NAME enable muxer NAME
155 --disable-muxers disable all muxers
156 --disable-demuxer=NAME disable demuxer NAME
157 --enable-demuxer=NAME enable demuxer NAME
158 --disable-demuxers disable all demuxers
159 --enable-parser=NAME enable parser NAME
160 --disable-parser=NAME disable parser NAME
161 --disable-parsers disable all parsers
162 --enable-bsf=NAME enable bitstream filter NAME
163 --disable-bsf=NAME disable bitstream filter NAME
164 --disable-bsfs disable all bitstream filters
165 --enable-protocol=NAME enable protocol NAME
166 --disable-protocol=NAME disable protocol NAME
167 --disable-protocols disable all protocols
168 --enable-indev=NAME enable input device NAME
169 --disable-indev=NAME disable input device NAME
170 --disable-indevs disable input devices
171 --enable-outdev=NAME enable output device NAME
172 --disable-outdev=NAME disable output device NAME
173 --disable-outdevs disable output devices
174 --disable-devices disable all devices
175 --enable-filter=NAME enable filter NAME
176 --disable-filter=NAME disable filter NAME
177 --disable-filters disable all filters
178
179 External library support:
180 --enable-avisynth enable reading of AviSynth script files [no]
181 --enable-bzlib enable bzlib [autodetect]
182 --enable-cuda enable dynamically linked CUDA [no]
183 --enable-frei0r enable frei0r video filtering
184 --enable-gnutls enable gnutls [no]
185 --enable-libbs2b enable bs2b DSP library [no]
186 --enable-libcdio enable audio CD grabbing with libcdio
187 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
188 and libraw1394 [no]
189 --enable-libdcadec enable DCA decoding via libdcadec [no]
190 --enable-libfaac enable AAC encoding via libfaac [no]
191 --enable-libfdk-aac enable AAC de/encoding via libfdk-aac [no]
192 --enable-libfreetype enable libfreetype [no]
193 --enable-libgsm enable GSM de/encoding via libgsm [no]
194 --enable-libilbc enable iLBC de/encoding via libilbc [no]
195 --enable-libkvazaar enable HEVC encoding via libkvazaar [no]
196 --enable-libmfx enable HW acceleration through libmfx
197 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
198 --enable-libnpp enable NVIDIA Performance Primitives-based code [no]
199 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
200 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
201 --enable-libopencv enable video filtering via libopencv [no]
202 --enable-libopenh264 enable H.264 encoding via OpenH264 [no]
203 --enable-libopenjpeg enable JPEG 2000 de/encoding via OpenJPEG [no]
204 --enable-libopus enable Opus de/encoding via libopus [no]
205 --enable-libpulse enable Pulseaudio input via libpulse [no]
206 --enable-librtmp enable RTMP[E] support via librtmp [no]
207 --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
208 --enable-libsnappy enable Snappy compression [no]
209 --enable-libspeex enable Speex de/encoding via libspeex [no]
210 --enable-libtheora enable Theora encoding via libtheora [no]
211 --enable-libtwolame enable MP2 encoding via libtwolame [no]
212 --enable-libvo-aacenc enable AAC encoding via libvo-aacenc [no]
213 --enable-libvo-amrwbenc enable AMR-WB encoding via libvo-amrwbenc [no]
214 --enable-libvorbis enable Vorbis encoding via libvorbis [no]
215 --enable-libvpx enable VP8 and VP9 de/encoding via libvpx [no]
216 --enable-libwavpack enable wavpack encoding via libwavpack [no]
217 --enable-libwebp enable WebP encoding via libwebp [no]
218 --enable-libx264 enable H.264 encoding via x264 [no]
219 --enable-libx265 enable HEVC encoding via x265 [no]
220 --enable-libxavs enable AVS encoding via xavs [no]
221 --enable-libxcb enable X11 grabbing using XCB [no]
222 --enable-libxcb-shm enable X11 grabbing shm communication [auto]
223 --enable-libxcb-xfixes enable X11 grabbing mouse rendering [auto]
224 --enable-libxvid enable Xvid encoding via xvidcore,
225 native MPEG-4/Xvid encoder exists [no]
226 --enable-mmal enable decoding via MMAL [no]
227 --enable-nvenc enable encoding via NVENC [no]
228 --enable-openssl enable openssl [no]
229 --enable-x11grab enable X11 grabbing (legacy) [no]
230 --enable-zlib enable zlib [autodetect]
231
232 Toolchain options:
233 --arch=ARCH select architecture [$arch]
234 --cpu=CPU select the minimum required CPU (affects
235 instruction selection, may crash on older CPUs)
236 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
237 --enable-cross-compile assume a cross-compiler is used
238 --sysroot=PATH root of cross-build tree
239 --sysinclude=PATH location of cross-build system headers
240 --target-os=OS compiler targets OS [$target_os]
241 --target-exec=CMD command to run executables on target
242 --target-path=DIR path to view of build directory on target
243 --target-samples=DIR path to samples directory on target
244 --toolchain=NAME set tool defaults according to NAME
245 --nm=NM use nm tool
246 --ar=AR use archive tool AR [$ar_default]
247 --as=AS use assembler AS [$as_default]
248 --cc=CC use C compiler CC [$cc_default]
249 --objcc=OCC use ObjC compiler OCC [$cc_default]
250 --dep-cc=DEPCC use dependency generator DEPCC [$cc_default]
251 --ld=LD use linker LD
252 --pkg-config=PKGCONFIG use pkg-config tool PKGCONFIG [$pkg_config_default]
253 --pkg-config-flags=FLAGS pass additional flags to pkgconf []
254 --host-cc=HOSTCC use host C compiler HOSTCC
255 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
256 --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
257 --host-ld=HOSTLD use host linker HOSTLD
258 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
259 --host-libs=HLIBS use libs HLIBS when linking for host
260 --host-os=OS compiler host OS [$target_os]
261 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
262 --extra-objcflags=FLAGS add FLAGS to OBJCFLAGS [$CFLAGS]
263 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
264 --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
265 --extra-libs=ELIBS add ELIBS [$ELIBS]
266 --extra-version=STRING version string suffix []
267 --optflags=OPTFLAGS override optimization-related compiler flags
268 --build-suffix=SUFFIX library name suffix []
269 --enable-pic build position-independent code
270 --enable-thumb compile for Thumb instruction set
271 --enable-lto use link-time optimization
272 --env="ENV=override" override the environment variables
273
274 Advanced options (experts only):
275 --malloc-prefix=PREFIX prefix malloc and related names with PREFIX
276 --custom-allocator=NAME use a supported custom allocator
277 --disable-symver disable symbol versioning
278 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
279 --disable-safe-bitstream-reader
280 disable buffer boundary checking in bitreaders
281 (faster, but may crash)
282 --enable-memalign-hack emulate memalign, interferes with memory debuggers
283 --enable-sram allow use of on-chip SRAM
284
285 Optimization options (experts only):
286 --disable-asm disable all assembly optimizations
287 --disable-altivec disable AltiVec optimizations
288 --disable-vsx disable VSX optimizations
289 --disable-power8 disable POWER8 optimizations
290 --disable-amd3dnow disable 3DNow! optimizations
291 --disable-amd3dnowext disable 3DNow! extended optimizations
292 --disable-mmx disable MMX optimizations
293 --disable-mmxext disable MMXEXT optimizations
294 --disable-sse disable SSE optimizations
295 --disable-sse2 disable SSE2 optimizations
296 --disable-sse3 disable SSE3 optimizations
297 --disable-ssse3 disable SSSE3 optimizations
298 --disable-sse4 disable SSE4 optimizations
299 --disable-sse42 disable SSE4.2 optimizations
300 --disable-avx disable AVX optimizations
301 --disable-xop disable XOP optimizations
302 --disable-fma3 disable FMA3 optimizations
303 --disable-fma4 disable FMA4 optimizations
304 --disable-avx2 disable AVX2 optimizations
305 --disable-armv5te disable armv5te optimizations
306 --disable-armv6 disable armv6 optimizations
307 --disable-armv6t2 disable armv6t2 optimizations
308 --disable-vfp disable VFP optimizations
309 --disable-neon disable NEON optimizations
310 --disable-inline-asm disable use of inline assembly
311 --disable-yasm disable use of nasm/yasm assembly
312
313 Developer options (useful when working on Libav itself):
314 --disable-debug disable debugging symbols
315 --enable-debug=LEVEL set the debug level [$debuglevel]
316 --disable-optimizations disable compiler optimizations
317 --enable-extra-warnings enable more compiler warnings
318 --samples=PATH location of test samples for FATE, if not set use
319 \$LIBAV_SAMPLES at make invocation time.
320 --enable-neon-clobber-test check NEON registers for clobbering (should be
321 used only for debugging purposes)
322 --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
323 should be used only for debugging purposes)
324 --enable-random randomly enable/disable components
325 --disable-random
326 --enable-random=LIST randomly enable/disable specific components or
327 --disable-random=LIST component groups. LIST is a comma-separated list
328 of NAME[:PROB] entries where NAME is a component
329 (group) and PROB the probability associated with
330 NAME (default 0.5).
331 --random-seed=VALUE seed value for --enable/disable-random
332 --disable-valgrind-backtrace do not print a backtrace under Valgrind
333 (only applies to --disable-optimizations builds)
334
335 NOTE: Object files are built at the place where configure is launched.
336 EOF
337 exit 0
338 }
339
340 quotes='""'
341
342 log(){
343 echo "$@" >> $logfile
344 }
345
346 log_file(){
347 log BEGIN $1
348 i=1
349 while read line; do
350 printf '%5s %s\n' "${i}" "${line}"
351 i=$(($i+1))
352 done < $1 >> $logfile
353 log END $1
354 }
355
356 echolog(){
357 log "$@"
358 echo "$@"
359 }
360
361 warn(){
362 log "WARNING: $*"
363 WARNINGS="${WARNINGS}WARNING: $*\n"
364 }
365
366 die(){
367 echolog "$@"
368 cat <<EOF
369
370 If you think configure made a mistake, make sure you are using the latest
371 version from Git. If the latest version fails, report the problem to the
372 libav-tools@libav.org mailing list or IRC #libav on irc.freenode.net.
373 EOF
374 if disabled logging; then
375 cat <<EOF
376 Rerun configure with logging enabled (do not use --disable-logging), and
377 include the log this produces with your report.
378 EOF
379 else
380 cat <<EOF
381 Include the log file "$logfile" produced by configure as this will help
382 solving the problem.
383 EOF
384 fi
385 exit 1
386 }
387
388 # Avoid locale weirdness, besides we really just want to translate ASCII.
389 toupper(){
390 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
391 }
392
393 tolower(){
394 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
395 }
396
397 c_escape(){
398 echo "$*" | sed 's/["\\]/\\\0/g'
399 }
400
401 sh_quote(){
402 v=$(echo "$1" | sed "s/'/'\\\\''/g")
403 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
404 echo "$v"
405 }
406
407 cleanws(){
408 echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//'
409 }
410
411 filter(){
412 pat=$1
413 shift
414 for v; do
415 eval "case $v in $pat) echo $v ;; esac"
416 done
417 }
418
419 filter_out(){
420 pat=$1
421 shift
422 for v; do
423 eval "case $v in $pat) ;; *) echo $v ;; esac"
424 done
425 }
426
427 map(){
428 m=$1
429 shift
430 for v; do eval $m; done
431 }
432
433 add_suffix(){
434 suffix=$1
435 shift
436 for v; do echo ${v}${suffix}; done
437 }
438
439 set_all(){
440 value=$1
441 shift
442 for var in $*; do
443 eval $var=$value
444 done
445 }
446
447 set_weak(){
448 value=$1
449 shift
450 for var; do
451 eval : \${$var:=$value}
452 done
453 }
454
455 sanitize_var_name(){
456 echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
457 }
458
459 set_safe(){
460 var=$1
461 shift
462 eval $(sanitize_var_name "$var")='$*'
463 }
464
465 get_safe(){
466 eval echo \$$(sanitize_var_name "$1")
467 }
468
469 pushvar(){
470 for pvar in $*; do
471 eval level=\${${pvar}_level:=0}
472 eval ${pvar}_${level}="\$$pvar"
473 eval ${pvar}_level=$(($level+1))
474 done
475 }
476
477 popvar(){
478 for pvar in $*; do
479 eval level=\${${pvar}_level:-0}
480 test $level = 0 && continue
481 eval level=$(($level-1))
482 eval $pvar="\${${pvar}_${level}}"
483 eval ${pvar}_level=$level
484 eval unset ${pvar}_${level}
485 done
486 }
487
488 enable(){
489 set_all yes $*
490 }
491
492 disable(){
493 set_all no $*
494 }
495
496 enable_weak(){
497 set_weak yes $*
498 }
499
500 disable_weak(){
501 set_weak no $*
502 }
503
504 enable_safe(){
505 for var; do
506 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
507 done
508 }
509
510 disable_safe(){
511 for var; do
512 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
513 done
514 }
515
516 do_enable_deep(){
517 for var; do
518 enabled $var && continue
519 eval sel="\$${var}_select"
520 eval sgs="\$${var}_suggest"
521 pushvar var sgs
522 enable_deep $sel
523 popvar sgs
524 enable_deep_weak $sgs
525 popvar var
526 done
527 }
528
529 enable_deep(){
530 do_enable_deep $*
531 enable $*
532 }
533
534 enable_deep_weak(){
535 for var; do
536 disabled $var && continue
537 pushvar var
538 do_enable_deep $var
539 popvar var
540 enable_weak $var
541 done
542 }
543
544 enabled(){
545 test "${1#!}" = "$1" && op== || op=!=
546 eval test "x\$${1#!}" $op "xyes"
547 }
548
549 disabled(){
550 test "${1#!}" = "$1" && op== || op=!=
551 eval test "x\$${1#!}" $op "xno"
552 }
553
554 enabled_all(){
555 for opt; do
556 enabled $opt || return 1
557 done
558 }
559
560 disabled_all(){
561 for opt; do
562 disabled $opt || return 1
563 done
564 }
565
566 enabled_any(){
567 for opt; do
568 enabled $opt && return 0
569 done
570 }
571
572 disabled_any(){
573 for opt; do
574 disabled $opt && return 0
575 done
576 return 1
577 }
578
579 set_default(){
580 for opt; do
581 eval : \${$opt:=\$${opt}_default}
582 done
583 }
584
585 is_in(){
586 value=$1
587 shift
588 for var in $*; do
589 [ $var = $value ] && return 0
590 done
591 return 1
592 }
593
594 do_check_deps(){
595 for cfg; do
596 cfg="${cfg#!}"
597 enabled ${cfg}_checking && die "Circular dependency for $cfg."
598 disabled ${cfg}_checking && continue
599 enable ${cfg}_checking
600 append allopts $cfg
601
602 eval dep_all="\$${cfg}_deps"
603 eval dep_any="\$${cfg}_deps_any"
604 eval dep_sel="\$${cfg}_select"
605 eval dep_sgs="\$${cfg}_suggest"
606 eval dep_ifa="\$${cfg}_if"
607 eval dep_ifn="\$${cfg}_if_any"
608
609 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
610 do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
611 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
612
613 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
614 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
615 enabled_all $dep_all || disable $cfg
616 enabled_any $dep_any || disable $cfg
617 disabled_any $dep_sel && disable $cfg
618
619 if enabled $cfg; then
620 enable_deep $dep_sel
621 enable_deep_weak $dep_sgs
622 fi
623
624 disable ${cfg}_checking
625 done
626 }
627
628 check_deps(){
629 unset allopts
630
631 do_check_deps "$@"
632
633 for cfg in $allopts; do
634 enabled $cfg || continue
635 eval dep_extralibs="\$${cfg}_extralibs"
636 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
637 done
638 }
639
640 print_config(){
641 pfx=$1
642 files=$2
643 shift 2
644 map 'eval echo "$v \${$v:-no}"' "$@" |
645 awk "BEGIN { split(\"$files\", files) }
646 {
647 c = \"$pfx\" toupper(\$1);
648 v = \$2;
649 sub(/yes/, 1, v);
650 sub(/no/, 0, v);
651 for (f in files) {
652 file = files[f];
653 if (file ~ /\\.h\$/) {
654 printf(\"#define %s %d\\n\", c, v) >>file;
655 } else if (file ~ /\\.asm\$/) {
656 printf(\"%%define %s %d\\n\", c, v) >>file;
657 } else if (file ~ /\\.mak\$/) {
658 n = -v ? \"\" : \"!\";
659 printf(\"%s%s=yes\\n\", n, c) >>file;
660 }
661 }
662 }"
663 }
664
665 print_enabled(){
666 suf=$1
667 shift
668 for v; do
669 enabled $v && printf "%s\n" ${v%$suf};
670 done
671 }
672
673 append(){
674 var=$1
675 shift
676 eval "$var=\"\$$var $*\""
677 }
678
679 prepend(){
680 var=$1
681 shift
682 eval "$var=\"$* \$$var\""
683 }
684
685 unique(){
686 var=$1
687 uniq_list=""
688 for tok in $(eval echo \$$var); do
689 uniq_list="$(filter_out $tok $uniq_list) $tok"
690 done
691 eval "$var=\"${uniq_list}\""
692 }
693
694 add_cppflags(){
695 append CPPFLAGS "$@"
696 }
697
698 add_cflags(){
699 append CFLAGS $($cflags_filter "$@")
700 }
701
702 add_asflags(){
703 append ASFLAGS $($asflags_filter "$@")
704 }
705
706 add_objcflags(){
707 append OBJCFLAGS $($objcflags_filter "$@")
708 }
709
710 add_ldflags(){
711 append LDFLAGS $($ldflags_filter "$@")
712 }
713
714 add_ldexeflags(){
715 append LDEXEFLAGS $($ldflags_filter "$@")
716 }
717
718 add_stripflags(){
719 append STRIPFLAGS "$@"
720 }
721
722 add_extralibs(){
723 prepend extralibs $($ldflags_filter "$@")
724 }
725
726 add_host_cppflags(){
727 append host_cppflags "$@"
728 }
729
730 add_host_cflags(){
731 append host_cflags $($host_cflags_filter "$@")
732 }
733
734 add_host_ldflags(){
735 append host_ldflags $($host_ldflags_filter "$@")
736 }
737
738 add_compat(){
739 append compat_objs $1
740 shift
741 map 'add_cppflags -D$v' "$@"
742 }
743
744 check_cmd(){
745 log "$@"
746 "$@" >> $logfile 2>&1
747 }
748
749 cc_o(){
750 eval printf '%s\\n' $CC_O
751 }
752
753 cc_e(){
754 eval printf '%s\\n' $CC_E
755 }
756
757 check_cc(){
758 log check_cc "$@"
759 cat > $TMPC
760 log_file $TMPC
761 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
762 }
763
764 check_objcc(){
765 log check_objcc "$@"
766 cat > $TMPC
767 log_file $TMPC
768 check_cmd $objcc $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPC
769 }
770
771 check_cpp(){
772 log check_cpp "$@"
773 cat > $TMPC
774 log_file $TMPC
775 check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
776 }
777
778 as_o(){
779 eval printf '%s\\n' $AS_O
780 }
781
782 check_as(){
783 log check_as "$@"
784 cat > $TMPS
785 log_file $TMPS
786 check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
787 }
788
789 check_inline_asm(){
790 log check_inline_asm "$@"
791 name="$1"
792 code="$2"
793 shift 2
794 disable $name
795 check_cc "$@" <<EOF && enable $name
796 void foo(void){ __asm__ volatile($code); }
797 EOF
798 }
799
800 check_insn(){
801 log check_insn "$@"
802 check_inline_asm ${1}_inline "\"$2\""
803 echo "$2" | check_as && enable ${1}_external || disable ${1}_external
804 }
805
806 check_yasm(){
807 log check_yasm "$@"
808 echo "$1" > $TMPS
809 log_file $TMPS
810 shift 1
811 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
812 }
813
814 ld_o(){
815 eval printf '%s\\n' $LD_O
816 }
817
818 check_ld(){
819 log check_ld "$@"
820 flags=$(filter_out '-l*' "$@")
821 libs=$(filter '-l*' "$@")
822 check_cc $($cflags_filter $flags) || return
823 flags=$($ldflags_filter $flags)
824 libs=$($ldflags_filter $libs)
825 check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
826 }
827
828 print_include(){
829 hdr=$1
830 test "${hdr%.h}" = "${hdr}" &&
831 echo "#include $hdr" ||
832 echo "#include <$hdr>"
833 }
834
835 check_code(){
836 log check_code "$@"
837 check=$1
838 headers=$2
839 code=$3
840 shift 3
841 {
842 for hdr in $headers; do
843 print_include $hdr
844 done
845 echo "int main(void) { $code; return 0; }"
846 } | check_$check "$@"
847 }
848
849 check_cppflags(){
850 log check_cppflags "$@"
851 check_cc "$@" <<EOF && append CPPFLAGS "$@"
852 int x;
853 EOF
854 }
855
856 test_cflags(){
857 log test_cflags "$@"
858 set -- $($cflags_filter "$@")
859 check_cc "$@" <<EOF
860 int x;
861 EOF
862 }
863
864 check_cflags(){
865 log check_cflags "$@"
866 test_cflags "$@" && add_cflags "$@"
867 }
868
869 test_objcflags(){
870 log test_cflags "$@"
871 set -- $($cflags_filter "$@")
872 check_objcc "$@" <<EOF
873 int x;
874 EOF
875 }
876
877 check_objcflags(){
878 log check_cflags "$@"
879 test_objcflags "$@" && add_objcflags "$@"
880 }
881
882 test_ldflags(){
883 log test_ldflags "$@"
884 check_ld "$@" <<EOF
885 int main(void){ return 0; }
886 EOF
887 }
888
889 check_ldflags(){
890 log check_ldflags "$@"
891 test_ldflags "$@" && add_ldflags "$@"
892 }
893
894 test_stripflags(){
895 log test_stripflags "$@"
896 # call check_cc to get a fresh TMPO
897 check_cc <<EOF
898 int main(void) { return 0; }
899 EOF
900 check_cmd $strip $STRIPFLAGS "$@" $TMPO
901 }
902
903 check_stripflags(){
904 log check_stripflags "$@"
905 test_stripflags "$@" && add_stripflags "$@"
906 }
907
908 check_header(){
909 log check_header "$@"
910 header=$1
911 shift
912 disable_safe $header
913 check_cpp "$@" <<EOF && enable_safe $header
914 #include <$header>
915 int x;
916 EOF
917 }
918
919 check_func(){
920 log check_func "$@"
921 func=$1
922 shift
923 disable $func
924 check_ld "$@" <<EOF && enable $func
925 extern int $func();
926 int main(void){ $func(); }
927 EOF
928 }
929
930 check_mathfunc(){
931 log check_mathfunc "$@"
932 func=$1
933 narg=$2
934 shift 2
935 test $narg = 2 && args="f, g" || args="f"
936 disable $func
937 check_ld "$@" <<EOF && enable $func
938 #include <math.h>
939 float foo(float f, float g) { return $func($args); }
940 int main(void){ return 0; }
941 EOF
942 }
943
944 check_func_headers(){
945 log check_func_headers "$@"
946 headers=$1
947 funcs=$2
948 shift 2
949 {
950 for hdr in $headers; do
951 print_include $hdr
952 done
953 for func in $funcs; do
954 echo "long check_$func(void) { return (long) $func; }"
955 done
956 echo "int main(void) { return 0; }"
957 } | check_ld "$@" && enable $funcs && enable_safe $headers
958 }
959
960 check_cpp_condition(){
961 log check_cpp_condition "$@"
962 header=$1
963 condition=$2
964 shift 2
965 check_cpp "$@" <<EOF
966 #include <$header>
967 #if !($condition)
968 #error "unsatisfied condition: $condition"
969 #endif
970 EOF
971 }
972
973 check_lib(){
974 log check_lib "$@"
975 header="$1"
976 func="$2"
977 shift 2
978 check_header $header && check_func $func "$@" && add_extralibs "$@"
979 }
980
981 check_lib2(){
982 log check_lib2 "$@"
983 headers="$1"
984 funcs="$2"
985 shift 2
986 check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
987 }
988
989 check_pkg_config(){
990 log check_pkg_config "$@"
991 pkg="$1"
992 headers="$2"
993 funcs="$3"
994 shift 3
995 check_cmd $pkg_config --exists --print-errors $pkg || return
996 pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
997 pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
998 check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
999 set_safe "${pkg}_cflags" $pkg_cflags &&
1000 set_safe "${pkg}_libs" $pkg_libs
1001 }
1002
1003 check_exec(){
1004 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1005 }
1006
1007 check_exec_crash(){
1008 code=$(cat)
1009
1010 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
1011 # are safe but may not be available everywhere. Thus we use
1012 # raise(SIGTERM) instead. The check is run in a subshell so we
1013 # can redirect the "Terminated" message from the shell. SIGBUS
1014 # is not defined by standard C so it is used conditionally.
1015
1016 (check_exec "$@") >> $logfile 2>&1 <<EOF
1017 #include <signal.h>
1018 static void sighandler(int sig){
1019 raise(SIGTERM);
1020 }
1021 int foo(void){
1022 $code
1023 }
1024 int (*func_ptr)(void) = foo;
1025 int main(void){
1026 signal(SIGILL, sighandler);
1027 signal(SIGFPE, sighandler);
1028 signal(SIGSEGV, sighandler);
1029 #ifdef SIGBUS
1030 signal(SIGBUS, sighandler);
1031 #endif
1032 return func_ptr();
1033 }
1034 EOF
1035 }
1036
1037 check_type(){
1038 log check_type "$@"
1039 headers=$1
1040 type=$2
1041 shift 2
1042 disable_safe "$type"
1043 check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1044 }
1045
1046 check_struct(){
1047 log check_struct "$@"
1048 headers=$1
1049 struct=$2
1050 member=$3
1051 shift 3
1052 disable_safe "${struct}_${member}"
1053 check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1054 enable_safe "${struct}_${member}"
1055 }
1056
1057 check_builtin(){
1058 log check_builtin "$@"
1059 name=$1
1060 headers=$2
1061 builtin=$3
1062 shift 3
1063 disable "$name"
1064 check_code ld "$headers" "$builtin" "$@" && enable "$name"
1065 }
1066
1067 check_compile_assert(){
1068 log check_compile_assert "$@"
1069 name=$1
1070 headers=$2
1071 condition=$3
1072 shift 3
1073 disable "$name"
1074 check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1075 }
1076
1077 require(){
1078 name="$1"
1079 header="$2"
1080 func="$3"
1081 shift 3
1082 check_lib $header $func "$@" || die "ERROR: $name not found"
1083 }
1084
1085 require2(){
1086 name="$1"
1087 headers="$2"
1088 func="$3"
1089 shift 3
1090 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1091 }
1092
1093 require_pkg_config(){
1094 pkg="$1"
1095 check_pkg_config "$@" || die "ERROR: $pkg not found"
1096 add_cflags $(get_safe "${pkg}_cflags")
1097 add_extralibs $(get_safe "${pkg}_libs")
1098 }
1099
1100 hostcc_e(){
1101 eval printf '%s\\n' $HOSTCC_E
1102 }
1103
1104 hostcc_o(){
1105 eval printf '%s\\n' $HOSTCC_O
1106 }
1107
1108 check_host_cc(){
1109 log check_host_cc "$@"
1110 cat > $TMPC
1111 log_file $TMPC
1112 check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1113 }
1114
1115 check_host_cpp(){
1116 log check_host_cpp "$@"
1117 cat > $TMPC
1118 log_file $TMPC
1119 check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1120 }
1121
1122 check_host_cppflags(){
1123 log check_host_cppflags "$@"
1124 check_host_cc "$@" <<EOF && append host_cppflags "$@"
1125 int x;
1126 EOF
1127 }
1128
1129 check_host_cflags(){
1130 log check_host_cflags "$@"
1131 set -- $($host_cflags_filter "$@")
1132 check_host_cc "$@" <<EOF && append host_cflags "$@"
1133 int x;
1134 EOF
1135 }
1136
1137 check_host_cpp_condition(){
1138 log check_host_cpp_condition "$@"
1139 header=$1
1140 condition=$2
1141 shift 2
1142 check_host_cpp "$@" <<EOF
1143 #include <$header>
1144 #if !($condition)
1145 #error "unsatisfied condition: $condition"
1146 #endif
1147 EOF
1148 }
1149
1150 apply(){
1151 file=$1
1152 shift
1153 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1154 }
1155
1156 cp_if_changed(){
1157 cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1158 mkdir -p "$(dirname $2)"
1159 $cp_f "$1" "$2"
1160 }
1161
1162 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1163 # system-dependent things.
1164
1165 AVCODEC_COMPONENTS="
1166 bsfs
1167 decoders
1168 encoders
1169 hwaccels
1170 parsers
1171 "
1172
1173 AVDEVICE_COMPONENTS="
1174 indevs
1175 outdevs
1176 "
1177 AVFILTER_COMPONENTS="
1178 filters
1179 "
1180 AVFORMAT_COMPONENTS="
1181 demuxers
1182 muxers
1183 protocols
1184 "
1185
1186 AVRESAMPLE_COMPONENTS=""
1187 AVUTIL_COMPONENTS=""
1188
1189 COMPONENT_LIST="
1190 $AVCODEC_COMPONENTS
1191 $AVDEVICE_COMPONENTS
1192 $AVFILTER_COMPONENTS
1193 $AVFORMAT_COMPONENTS
1194 $AVRESAMPLE_COMPONENTS
1195 $AVUTIL_COMPONENTS
1196 "
1197
1198 EXAMPLE_LIST="
1199 avcodec_example
1200 filter_audio_example
1201 metadata_example
1202 output_example
1203 qsvdec_example
1204 transcode_aac_example
1205 "
1206
1207 EXTERNAL_LIBRARY_LIST="
1208 avisynth
1209 bzlib
1210 cuda
1211 frei0r
1212 gnutls
1213 libbs2b
1214 libcdio
1215 libdc1394
1216 libdcadec
1217 libfaac
1218 libfdk_aac
1219 libfontconfig
1220 libfreetype
1221 libgsm
1222 libilbc
1223 libkvazaar
1224 libmfx
1225 libmp3lame
1226 libnpp
1227 libopencore_amrnb
1228 libopencore_amrwb
1229 libopencv
1230 libopenh264
1231 libopenjpeg
1232 libopus
1233 libpulse
1234 librtmp
1235 libschroedinger
1236 libsnappy
1237 libspeex
1238 libtheora
1239 libtwolame
1240 libvo_aacenc
1241 libvo_amrwbenc
1242 libvorbis
1243 libvpx
1244 libwavpack
1245 libwebp
1246 libx264
1247 libx265
1248 libxavs
1249 libxcb
1250 libxcb_shm
1251 libxcb_xfixes
1252 libxvid
1253 mmal
1254 nvenc
1255 openssl
1256 x11grab
1257 zlib
1258 "
1259
1260 FEATURE_LIST="
1261 gray
1262 hardcoded_tables
1263 runtime_cpudetect
1264 safe_bitstream_reader
1265 shared
1266 small
1267 sram
1268 static
1269 swscale_alpha
1270 "
1271
1272 HWACCEL_LIST="
1273 d3d11va
1274 dxva2
1275 vaapi
1276 vda
1277 vdpau
1278 "
1279
1280 LIBRARY_LIST="
1281 avcodec
1282 avdevice
1283 avfilter
1284 avformat
1285 avresample
1286 avutil
1287 swscale
1288 "
1289
1290 LICENSE_LIST="
1291 gpl
1292 nonfree
1293 version3
1294 "
1295
1296 PROGRAM_LIST="
1297 avconv
1298 avplay
1299 avprobe
1300 "
1301
1302 SUBSYSTEM_LIST="
1303 dct
1304 doc
1305 error_resilience
1306 faan
1307 fft
1308 lsp
1309 lzo
1310 mdct
1311 network
1312 rdft
1313 "
1314
1315 CONFIG_LIST="
1316 $COMPONENT_LIST
1317 $EXAMPLE_LIST
1318 $EXTERNAL_LIBRARY_LIST
1319 $FEATURE_LIST
1320 $HWACCEL_LIST
1321 $LICENSE_LIST
1322 $LIBRARY_LIST
1323 $PROGRAM_LIST
1324 $SUBSYSTEM_LIST
1325 memalign_hack
1326 neon_clobber_test
1327 pic
1328 pod2man
1329 texi2html
1330 thumb
1331 valgrind_backtrace
1332 xmm_clobber_test
1333 "
1334
1335 THREADS_LIST="
1336 pthreads
1337 w32threads
1338 "
1339
1340 ATOMICS_LIST="
1341 atomics_gcc
1342 atomics_suncc
1343 atomics_win32
1344 "
1345
1346 ARCH_LIST="
1347 aarch64
1348 alpha
1349 arm
1350 avr32
1351 avr32_ap
1352 avr32_uc
1353 bfin
1354 ia64
1355 m68k
1356 mips
1357 mips64
1358 parisc
1359 ppc
1360 ppc64
1361 s390
1362 sh4
1363 sparc
1364 sparc64
1365 tilegx
1366 tilepro
1367 tomi
1368 x86
1369 x86_32
1370 x86_64
1371 "
1372
1373 ARCH_EXT_LIST_ARM="
1374 armv5te
1375 armv6
1376 armv6t2
1377 armv8
1378 neon
1379 vfp
1380 vfpv3
1381 "
1382
1383 ARCH_EXT_LIST_X86_SIMD="
1384 amd3dnow
1385 amd3dnowext
1386 avx
1387 avx2
1388 fma3
1389 fma4
1390 mmx
1391 mmxext
1392 sse
1393 sse2
1394 sse3
1395 sse4
1396 sse42
1397 ssse3
1398 xop
1399 "
1400
1401 ARCH_EXT_LIST_PPC="
1402 altivec
1403 dcbzl
1404 ldbrx
1405 power8
1406 ppc4xx
1407 vsx
1408 "
1409
1410 ARCH_EXT_LIST_X86="
1411 $ARCH_EXT_LIST_X86_SIMD
1412 cpunop
1413 i686
1414 "
1415
1416 ARCH_EXT_LIST_MIPS="
1417 loongson
1418 mips32r1
1419 mips64r1
1420 mips32r2
1421 mips64r2
1422 mips32r6
1423 mips64r6
1424 "
1425
1426 ARCH_EXT_LIST="
1427 $ARCH_EXT_LIST_ARM
1428 $ARCH_EXT_LIST_MIPS
1429 $ARCH_EXT_LIST_PPC
1430 $ARCH_EXT_LIST_X86
1431 vis
1432 "
1433
1434 ARCH_FEATURES="
1435 aligned_stack
1436 fast_64bit
1437 fast_clz
1438 fast_cmov
1439 local_aligned_8
1440 local_aligned_16
1441 simd_align_16
1442 "
1443
1444 BUILTIN_LIST="
1445 atomic_cas_ptr
1446 machine_rw_barrier
1447 MemoryBarrier
1448 mm_empty
1449 rdtsc
1450 sync_val_compare_and_swap
1451 "
1452 HAVE_LIST_CMDLINE="
1453 inline_asm
1454 symver
1455 yasm
1456 "
1457
1458 HAVE_LIST_PUB="
1459 bigendian
1460 fast_unaligned
1461 "
1462
1463 HEADERS_LIST="
1464 AVFoundation_AVFoundation_h
1465 alsa_asoundlib_h
1466 altivec_h
1467 arpa_inet_h
1468 cdio_paranoia_h
1469 cdio_paranoia_paranoia_h
1470 dev_bktr_ioctl_bt848_h
1471 dev_bktr_ioctl_meteor_h
1472 dev_ic_bt8xx_h
1473 dev_video_bktr_ioctl_bt848_h
1474 dev_video_meteor_ioctl_meteor_h
1475 direct_h
1476 dlfcn_h
1477 d3d11_h
1478 dxva_h
1479 gsm_h
1480 io_h
1481 mach_mach_time_h
1482 machine_ioctl_bt848_h
1483 machine_ioctl_meteor_h
1484 malloc_h
1485 poll_h
1486 sndio_h
1487 soundcard_h
1488 sys_mman_h
1489 sys_param_h
1490 sys_resource_h
1491 sys_select_h
1492 sys_soundcard_h
1493 sys_time_h
1494 sys_un_h
1495 sys_videoio_h
1496 unistd_h
1497 valgrind_valgrind_h
1498 windows_h
1499 winsock2_h
1500 "
1501
1502 INTRINSICS_LIST="
1503 intrinsics_neon
1504 "
1505
1506 MATH_FUNCS="
1507 atanf
1508 atan2f
1509 cbrtf
1510 cosf
1511 exp2
1512 exp2f
1513 expf
1514 isinf
1515 isnan
1516 ldexpf
1517 llrint
1518 llrintf
1519 log2
1520 log2f
1521 log10f
1522 lrint
1523 lrintf
1524 powf
1525 rint
1526 round
1527 roundf
1528 sinf
1529 trunc
1530 truncf
1531 "
1532
1533 SYSTEM_FUNCS="
1534 aligned_malloc
1535 clock_gettime
1536 closesocket
1537 CommandLineToArgvW
1538 CoTaskMemFree
1539 CryptGenRandom
1540 dlopen
1541 fcntl
1542 flt_lim
1543 fork
1544 getaddrinfo
1545 gethrtime
1546 getopt
1547 GetProcessAffinityMask
1548 GetProcessMemoryInfo
1549 GetProcessTimes
1550 getrusage
1551 GetSystemTimeAsFileTime
1552 gettimeofday
1553 gmtime_r
1554 inet_aton
1555 isatty
1556 jack_port_get_latency_range
1557 LoadLibrary
1558 localtime_r
1559 mach_absolute_time
1560 MapViewOfFile
1561 memalign
1562 mkstemp
1563 mmap
1564 mprotect
1565 nanosleep
1566 posix_memalign
1567 sched_getaffinity
1568 SetConsoleTextAttribute
1569 setmode
1570 setrlimit
1571 Sleep
1572 strerror_r
1573 sysconf
1574 sysctl
1575 usleep
1576 VirtualAlloc
1577 "
1578
1579 TOOLCHAIN_FEATURES="
1580 as_dn_directive
1581 as_func
1582 as_object_arch
1583 asm_mod_q
1584 attribute_may_alias
1585 attribute_packed
1586 ebp_available
1587 ebx_available
1588 gnu_as
1589 ibm_asm
1590 inline_asm_labels
1591 pragma_deprecated
1592 symver_asm_label
1593 symver_gnu_asm
1594 vfp_args
1595 xform_asm
1596 xmm_clobbers
1597 "
1598
1599 TYPES_LIST="
1600 CONDITION_VARIABLE_Ptr
1601 socklen_t
1602 struct_addrinfo
1603 struct_group_source_req
1604 struct_ip_mreq_source
1605 struct_ipv6_mreq
1606 struct_pollfd
1607 struct_rusage_ru_maxrss
1608 struct_sockaddr_in6
1609 struct_sockaddr_sa_len
1610 struct_sockaddr_storage
1611 struct_v4l2_frmivalenum_discrete
1612 "
1613
1614 HAVE_LIST="
1615 $ARCH_EXT_LIST
1616 $(add_suffix _external $ARCH_EXT_LIST)
1617 $(add_suffix _inline $ARCH_EXT_LIST)
1618 $ARCH_FEATURES
1619 $ATOMICS_LIST
1620 $BUILTIN_LIST
1621 $HAVE_LIST_CMDLINE
1622 $HAVE_LIST_PUB
1623 $HEADERS_LIST
1624 $INTRINSICS_LIST
1625 $MATH_FUNCS
1626 $SYSTEM_FUNCS
1627 $THREADS_LIST
1628 $TOOLCHAIN_FEATURES
1629 $TYPES_LIST
1630 atomics_native
1631 dos_paths
1632 dxva2_lib
1633 libc_msvcrt
1634 libdc1394_1
1635 libdc1394_2
1636 sdl
1637 section_data_rel_ro
1638 threads
1639 vaapi_drm
1640 vaapi_x11
1641 vdpau_x11
1642 xlib
1643 "
1644
1645 # options emitted with CONFIG_ prefix but not available on the command line
1646 CONFIG_EXTRA="
1647 aandcttables
1648 ac3dsp
1649 audio_frame_queue
1650 audiodsp
1651 blockdsp
1652 bswapdsp
1653 cabac
1654 dirac_parse
1655 dvprofile
1656 faandct
1657 faanidct
1658 fdctdsp
1659 flacdsp
1660 fmtconvert
1661 g722dsp
1662 gcrypt
1663 gmp
1664 golomb
1665 gplv3
1666 h263dsp
1667 h264chroma
1668 h264dsp
1669 h264pred
1670 h264qpel
1671 hpeldsp
1672 huffman
1673 huffyuvdsp
1674 huffyuvencdsp
1675 idctdsp
1676 iirfilter
1677 imdct15
1678 intrax8
1679 iso_media
1680 ividsp
1681 jpegtables
1682 libx262
1683 lgplv3
1684 lpc
1685 lzf
1686 me_cmp
1687 mpeg_er
1688 mpegaudio
1689 mpegaudiodsp
1690 mpegvideo
1691 mpegvideoenc
1692 mss34dsp
1693 pixblockdsp
1694 qpeldsp
1695 qsv
1696 qsvdec
1697 qsvenc
1698 rangecoder
1699 riffdec
1700 riffenc
1701 rtpdec
1702 rtpenc_chain
1703 rv34dsp
1704 sinewin
1705 snappy
1706 srtp
1707 startcode
1708 texturedsp
1709 texturedspenc
1710 tpeldsp
1711 vaapi_encode
1712 vc1dsp
1713 videodsp
1714 vp3dsp
1715 vp56dsp
1716 vp8dsp
1717 wma_freqs
1718 wmv2dsp
1719 "
1720
1721 CMDLINE_SELECT="
1722 $ARCH_EXT_LIST
1723 $CONFIG_LIST
1724 $HAVE_LIST_CMDLINE
1725 $THREADS_LIST
1726 asm
1727 cross_compile
1728 debug
1729 extra_warnings
1730 logging
1731 lto
1732 optimizations
1733 rpath
1734 "
1735
1736 PATHS_LIST="
1737 bindir
1738 datadir
1739 docdir
1740 incdir
1741 libdir
1742 mandir
1743 prefix
1744 shlibdir
1745 "
1746
1747 CMDLINE_SET="
1748 $PATHS_LIST
1749 ar
1750 arch
1751 as
1752 build_suffix
1753 cc
1754 objcc
1755 cpu
1756 cross_prefix
1757 custom_allocator
1758 dep_cc
1759 env
1760 extra_version
1761 host_cc
1762 host_cflags
1763 host_ld
1764 host_ldflags
1765 host_libs
1766 host_os
1767 ld
1768 logfile
1769 malloc_prefix
1770 nm
1771 optflags
1772 pkg_config
1773 pkg_config_flags
1774 random_seed
1775 samples
1776 sysinclude
1777 sysroot
1778 target_exec
1779 target_os
1780 target_path
1781 target_samples
1782 toolchain
1783 "
1784
1785 CMDLINE_APPEND="
1786 extra_cflags
1787 extra_objcflags
1788 host_cppflags
1789 "
1790
1791 # code dependency declarations
1792
1793 # architecture extensions
1794
1795 armv5te_deps="arm"
1796 armv6_deps="arm"
1797 armv6t2_deps="arm"
1798 armv8_deps="aarch64"
1799 neon_deps_any="aarch64 arm"
1800 intrinsics_neon_deps="neon"
1801 vfp_deps_any="aarch64 arm"
1802 vfpv3_deps="vfp"
1803
1804 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
1805
1806 altivec_deps="ppc"
1807 ppc4xx_deps="ppc"
1808 vsx_deps="altivec"
1809 power8_deps="vsx"
1810
1811 cpunop_deps="i686"
1812 x86_64_select="i686"
1813 x86_64_suggest="fast_cmov"
1814
1815 amd3dnow_deps="mmx"
1816 amd3dnowext_deps="amd3dnow"
1817 i686_deps="x86"
1818 mmx_deps="x86"
1819 mmxext_deps="mmx"
1820 sse_deps="mmxext"
1821 sse2_deps="sse"
1822 sse3_deps="sse2"
1823 ssse3_deps="sse3"
1824 sse4_deps="ssse3"
1825 sse42_deps="sse4"
1826 avx_deps="sse42"
1827 xop_deps="avx"
1828 fma3_deps="avx"
1829 fma4_deps="avx"
1830 avx2_deps="avx"
1831
1832 mmx_external_deps="yasm"
1833 mmx_inline_deps="inline_asm"
1834 mmx_suggest="mmx_external mmx_inline"
1835
1836 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
1837 eval dep=\$${ext}_deps
1838 eval ${ext}_external_deps='"${dep}_external"'
1839 eval ${ext}_inline_deps='"${dep}_inline"'
1840 eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
1841 done
1842
1843 aligned_stack_if_any="aarch64 ppc x86"
1844 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1845 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
1846 fast_unaligned_if_any="aarch64 ppc x86"
1847 simd_align_16_if_any="altivec neon sse"
1848
1849 # system capabilities
1850 symver_if_any="symver_asm_label symver_gnu_asm"
1851 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
1852
1853 # threading support
1854 atomics_gcc_if="sync_val_compare_and_swap"
1855 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
1856 atomics_win32_if="MemoryBarrier"
1857 atomics_native_if_any="$ATOMICS_LIST"
1858 w32threads_deps="atomics_native"
1859 threads_if_any="$THREADS_LIST"
1860
1861 # subsystems
1862 dct_select="rdft"
1863 dirac_parse_select="golomb"
1864 error_resilience_select="me_cmp"
1865 faandct_deps="faan fdctdsp"
1866 faanidct_deps="faan idctdsp"
1867 h264dsp_select="startcode"
1868 intrax8_select="blockdsp idctdsp"
1869 mdct_select="fft"
1870 rdft_select="fft"
1871 me_cmp_select="fdctdsp idctdsp pixblockdsp"
1872 mpeg_er_select="error_resilience"
1873 mpegaudio_select="mpegaudiodsp"
1874 mpegaudiodsp_select="dct"
1875 mpegvideo_select="blockdsp hpeldsp idctdsp me_cmp mpeg_er videodsp"
1876 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
1877 nvenc_deps_any="dlopen LoadLibrary"
1878 nvenc_extralibs='$ldl'
1879 qsvdec_select="qsv"
1880 qsvenc_select="qsv"
1881 vaapi_encode_deps="vaapi"
1882 vc1dsp_select="h264chroma qpeldsp startcode"
1883
1884 # decoders / encoders
1885 aac_decoder_select="imdct15 mdct sinewin"
1886 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
1887 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1888 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
1889 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
1890 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
1891 adpcm_g722_decoder_select="g722dsp"
1892 adpcm_g722_encoder_select="g722dsp"
1893 aic_decoder_select="golomb idctdsp"
1894 alac_encoder_select="lpc"
1895 als_decoder_select="bswapdsp"
1896 amrnb_decoder_select="lsp"
1897 amrwb_decoder_select="lsp"
1898 amv_decoder_select="sp5x_decoder"
1899 ape_decoder_select="bswapdsp"
1900 asv1_decoder_select="blockdsp bswapdsp idctdsp"
1901 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
1902 asv2_decoder_select="blockdsp bswapdsp idctdsp"
1903 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
1904 atrac1_decoder_select="mdct sinewin"
1905 atrac3_decoder_select="mdct"
1906 atrac3p_decoder_select="mdct sinewin"
1907 bink_decoder_select="blockdsp hpeldsp"
1908 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
1909 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
1910 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
1911 cllc_decoder_select="bswapdsp"
1912 comfortnoise_encoder_select="lpc"
1913 cook_decoder_select="audiodsp mdct sinewin"
1914 cscd_decoder_select="lzo"
1915 cscd_decoder_suggest="zlib"
1916 dca_decoder_select="fmtconvert mdct"
1917 dds_decoder_select="texturedsp"
1918 dnxhd_decoder_select="blockdsp idctdsp"
1919 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
1920 dvvideo_decoder_select="dvprofile idctdsp"
1921 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
1922 dxa_decoder_deps="zlib"
1923 dxv_decoder_select="lzf texturedsp"
1924 eac3_decoder_select="ac3_decoder"
1925 eac3_encoder_select="ac3_encoder"
1926 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
1927 eatgq_decoder_select="aandcttables idctdsp"
1928 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
1929 exr_decoder_deps="zlib"
1930 ffv1_decoder_select="golomb rangecoder"
1931 ffv1_encoder_select="rangecoder"
1932 ffvhuff_decoder_select="huffyuv_decoder"
1933 ffvhuff_encoder_select="huffyuv_encoder"
1934 fic_decoder_select="golomb"
1935 flac_decoder_select="flacdsp golomb"
1936 flac_encoder_select="bswapdsp flacdsp golomb lpc"
1937 flashsv_decoder_deps="zlib"
1938 flashsv_encoder_deps="zlib"
1939 flashsv2_decoder_deps="zlib"
1940 flv_decoder_select="h263_decoder"
1941 flv_encoder_select="h263_encoder"
1942 fourxm_decoder_select="blockdsp bswapdsp"
1943 fraps_decoder_select="bswapdsp huffman"
1944 g2m_decoder_deps="zlib"
1945 g2m_decoder_select="blockdsp idctdsp jpegtables"
1946 h261_decoder_select="mpeg_er mpegvideo"
1947 h261_encoder_select="aandcttables mpegvideoenc"
1948 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
1949 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
1950 h263i_decoder_select="h263_decoder"
1951 h263p_encoder_select="h263_encoder"
1952 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel videodsp"
1953 h264_decoder_suggest="error_resilience"
1954 h264_nvenc_encoder_deps="nvenc"
1955 h264_qsv_decoder_deps="libmfx"
1956 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
1957 h264_qsv_encoder_deps="libmfx"
1958 h264_qsv_encoder_select="qsvenc"
1959 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
1960 h264_vaapi_encoder_select="vaapi_encode golomb"
1961 hap_decoder_select="snappy texturedsp"
1962 hap_encoder_deps="libsnappy"
1963 hap_encoder_select="texturedspenc"
1964 hevc_decoder_select="bswapdsp cabac golomb videodsp"
1965 hevc_nvenc_encoder_deps="nvenc"
1966 hevc_qsv_encoder_deps="libmfx"
1967 hevc_qsv_decoder_deps="libmfx"
1968 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
1969 hevc_qsv_encoder_select="qsvenc"
1970 huffyuv_decoder_select="bswapdsp huffyuvdsp"
1971 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp"
1972 iac_decoder_select="imc_decoder"
1973 imc_decoder_select="bswapdsp fft mdct sinewin"
1974 indeo3_decoder_select="hpeldsp"
1975 indeo4_decoder_select="ividsp"
1976 indeo5_decoder_select="ividsp"
1977 interplay_video_decoder_select="hpeldsp"
1978 jpegls_decoder_select="golomb mjpeg_decoder"
1979 jpegls_encoder_select="golomb"
1980 jv_decoder_select="blockdsp"
1981 lagarith_decoder_select="huffyuvdsp"
1982 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
1983 loco_decoder_select="golomb"
1984 mdec_decoder_select="blockdsp idctdsp mpegvideo"
1985 metasound_decoder_select="lsp mdct sinewin"
1986 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
1987 mjpeg_decoder_select="blockdsp hpeldsp idctdsp jpegtables"
1988 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
1989 mjpegb_decoder_select="mjpeg_decoder"
1990 mlp_decoder_select="mlp_parser"
1991 motionpixels_decoder_select="bswapdsp"
1992 mp1_decoder_select="mpegaudio"
1993 mp1float_decoder_select="mpegaudio"
1994 mp2_decoder_select="mpegaudio"
1995 mp2float_decoder_select="mpegaudio"
1996 mp3_decoder_select="mpegaudio"
1997 mp3adu_decoder_select="mpegaudio"
1998 mp3adufloat_decoder_select="mpegaudio"
1999 mp3float_decoder_select="mpegaudio"
2000 mp3on4_decoder_select="mpegaudio"
2001 mp3on4float_decoder_select="mpegaudio"
2002 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2003 mpc8_decoder_select="mpegaudiodsp"
2004 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2005 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2006 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
2007 mpeg1video_encoder_select="aandcttables mpegvideoenc"
2008 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
2009 mpeg2video_encoder_select="aandcttables mpegvideoenc"
2010 mpeg2_qsv_decoder_deps="libmfx"
2011 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel mpegvideo_parser"
2012 mpeg2_qsv_encoder_deps="libmfx"
2013 mpeg2_qsv_encoder_select="qsvenc"
2014 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2015 mpeg4_encoder_select="h263_encoder"
2016 msa1_decoder_select="mss34dsp"
2017 msmpeg4v1_decoder_select="h263_decoder"
2018 msmpeg4v2_decoder_select="h263_decoder"
2019 msmpeg4v2_encoder_select="h263_encoder"
2020 msmpeg4v3_decoder_select="h263_decoder"
2021 msmpeg4v3_encoder_select="h263_encoder"
2022 mss2_decoder_select="error_resilience mpeg_er mpegvideo vc1_decoder"
2023 mts2_decoder_select="mss34dsp"
2024 mxpeg_decoder_select="mjpeg_decoder"
2025 nellymoser_decoder_select="mdct sinewin"
2026 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2027 nuv_decoder_select="idctdsp lzo"
2028 nvenc_h264_encoder_deps="nvenc"
2029 nvenc_hevc_encoder_deps="nvenc"
2030 on2avc_decoder_select="mdct"
2031 opus_decoder_deps="avresample"
2032 opus_decoder_select="imdct15"
2033 png_decoder_deps="zlib"
2034 png_encoder_deps="zlib"
2035 png_encoder_select="huffyuvencdsp"
2036 prores_decoder_select="idctdsp"
2037 prores_encoder_select="fdctdsp"
2038 qcelp_decoder_select="lsp"
2039 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2040 ra_144_encoder_select="audio_frame_queue lpc"
2041 ralf_decoder_select="golomb"
2042 rscc_decoder_deps="zlib"
2043 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2044 rv10_encoder_select="h263_encoder"
2045 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2046 rv20_encoder_select="h263_encoder"
2047 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2048 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo rv34dsp videodsp"
2049 screenpresso_decoder_deps="zlib"
2050 shorten_decoder_select="golomb"
2051 sipr_decoder_select="lsp"
2052 sp5x_decoder_select="mjpeg_decoder"
2053 svq1_decoder_select="hpeldsp"
2054 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2055 svq3_decoder_select="golomb h264dsp h264pred hpeldsp tpeldsp videodsp"
2056 svq3_decoder_suggest="zlib"
2057 tak_decoder_select="audiodsp"
2058 tdsc_decoder_deps="zlib"
2059 tdsc_decoder_select="mjpeg_decoder"
2060 theora_decoder_select="vp3_decoder"
2061 thp_decoder_select="mjpeg_decoder"
2062 tiff_decoder_suggest="zlib"
2063 tiff_encoder_suggest="zlib"
2064 truehd_decoder_select="mlp_decoder"
2065 truemotion2_decoder_select="bswapdsp"
2066 truespeech_decoder_select="bswapdsp"
2067 tscc_decoder_deps="zlib"
2068 txd_decoder_select="texturedsp"
2069 twinvq_decoder_select="mdct lsp sinewin"
2070 utvideo_decoder_select="bswapdsp"
2071 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2072 vble_decoder_select="huffyuvdsp"
2073 vc1_decoder_select="blockdsp error_resilience h263_decoder h264qpel intrax8 mpeg_er mpegvideo vc1dsp"
2074 vc1image_decoder_select="vc1_decoder"
2075 vorbis_decoder_select="mdct"
2076 vorbis_encoder_select="mdct"
2077 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2078 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2079 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2080 vp6a_decoder_select="vp6_decoder"
2081 vp6f_decoder_select="vp6_decoder"
2082 vp7_decoder_select="h264pred videodsp vp8dsp"
2083 vp8_decoder_select="h264pred videodsp vp8dsp"
2084 vp9_decoder_select="videodsp"
2085 webp_decoder_select="vp8_decoder"
2086 wmapro_decoder_select="mdct sinewin wma_freqs"
2087 wmav1_decoder_select="mdct sinewin wma_freqs"
2088 wmav1_encoder_select="mdct sinewin wma_freqs"
2089 wmav2_decoder_select="mdct sinewin wma_freqs"
2090 wmav2_encoder_select="mdct sinewin wma_freqs"
2091 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2092 wmv1_decoder_select="h263_decoder"
2093 wmv1_encoder_select="h263_encoder"
2094 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2095 wmv2_encoder_select="h263_encoder wmv2dsp"
2096 wmv3_decoder_select="vc1_decoder"
2097 wmv3image_decoder_select="wmv3_decoder"
2098 zerocodec_decoder_deps="zlib"
2099 zlib_decoder_deps="zlib"
2100 zlib_encoder_deps="zlib"
2101 zmbv_decoder_deps="zlib"
2102 zmbv_encoder_deps="zlib"
2103
2104 # hardware accelerators
2105 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"
2106 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2107 vaapi_deps="va_va_h"
2108 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2109 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2110 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2111
2112 h263_vaapi_hwaccel_deps="vaapi"
2113 h263_vaapi_hwaccel_select="h263_decoder"
2114 h264_d3d11va_hwaccel_deps="d3d11va"
2115 h264_d3d11va_hwaccel_select="h264_decoder"
2116 h264_dxva2_hwaccel_deps="dxva2"
2117 h264_dxva2_hwaccel_select="h264_decoder"
2118 h264_mmal_decoder_deps="mmal"
2119 h264_mmal_hwaccel_deps="mmal"
2120 h264_mmal_decoder_select="h264_decoder"
2121 h264_mmal_encoder_deps="mmal"
2122 h264_qsv_hwaccel_deps="libmfx"
2123 h264_vaapi_hwaccel_deps="vaapi"
2124 h264_vaapi_hwaccel_select="h264_decoder"
2125 h264_vda_hwaccel_deps="vda"
2126 h264_vda_hwaccel_select="h264_decoder"
2127 h264_vda_old_hwaccel_deps="vda"
2128 h264_vda_old_hwaccel_select="h264_decoder"
2129 h264_vdpau_hwaccel_deps="vdpau"
2130 h264_vdpau_hwaccel_select="h264_decoder"
2131 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2132 hevc_d3d11va_hwaccel_select="hevc_decoder"
2133 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2134 hevc_dxva2_hwaccel_select="hevc_decoder"
2135 hevc_qsv_hwaccel_deps="libmfx"
2136 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2137 hevc_vdpau_hwaccel_select="hevc_decoder"
2138 mpeg1_vdpau_hwaccel_deps="vdpau"
2139 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2140 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2141 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2142 mpeg2_dxva2_hwaccel_deps="dxva2"
2143 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2144 mpeg2_qsv_hwaccel_deps="libmfx"
2145 mpeg2_vaapi_hwaccel_deps="vaapi"
2146 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2147 mpeg2_vdpau_hwaccel_deps="vdpau"
2148 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2149 mpeg4_vaapi_hwaccel_deps="vaapi"
2150 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2151 mpeg4_vdpau_hwaccel_deps="vdpau"
2152 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2153 vc1_d3d11va_hwaccel_deps="d3d11va"
2154 vc1_d3d11va_hwaccel_select="vc1_decoder"
2155 vc1_dxva2_hwaccel_deps="dxva2"
2156 vc1_dxva2_hwaccel_select="vc1_decoder"
2157 vc1_vaapi_hwaccel_deps="vaapi"
2158 vc1_vaapi_hwaccel_select="vc1_decoder"
2159 vc1_vdpau_hwaccel_deps="vdpau"
2160 vc1_vdpau_hwaccel_select="vc1_decoder"
2161 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2162 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2163 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2164 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2165
2166 # parsers
2167 h264_parser_select="h264_decoder"
2168 hevc_parser_select="golomb"
2169 mpegvideo_parser_select="mpegvideo"
2170 mpeg4video_parser_select="error_resilience h263dsp mpegvideo qpeldsp"
2171 vc1_parser_select="vc1dsp"
2172
2173 # bitstream_filters
2174 mjpeg2jpeg_bsf_select="jpegtables"
2175
2176 # external libraries
2177 libdcadec_decoder_deps="libdcadec"
2178 libfaac_encoder_deps="libfaac"
2179 libfaac_encoder_select="audio_frame_queue"
2180 libfdk_aac_decoder_deps="libfdk_aac"
2181 libfdk_aac_encoder_deps="libfdk_aac"
2182 libfdk_aac_encoder_select="audio_frame_queue"
2183 libgsm_decoder_deps="libgsm"
2184 libgsm_encoder_deps="libgsm"
2185 libgsm_ms_decoder_deps="libgsm"
2186 libgsm_ms_encoder_deps="libgsm"
2187 libilbc_decoder_deps="libilbc"
2188 libilbc_encoder_deps="libilbc"
2189 libkvazaar_encoder_deps="libkvazaar"
2190 libmp3lame_encoder_deps="libmp3lame"
2191 libmp3lame_encoder_select="audio_frame_queue"
2192 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2193 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2194 libopencore_amrnb_encoder_select="audio_frame_queue"
2195 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2196 libopenh264_encoder_deps="libopenh264"
2197 libopenjpeg_decoder_deps="libopenjpeg"
2198 libopenjpeg_encoder_deps="libopenjpeg"
2199 libopus_decoder_deps="libopus"
2200 libopus_encoder_deps="libopus"
2201 libopus_encoder_select="audio_frame_queue"
2202 libschroedinger_decoder_deps="libschroedinger"
2203 libschroedinger_encoder_deps="libschroedinger"
2204 libspeex_decoder_deps="libspeex"
2205 libspeex_encoder_deps="libspeex"
2206 libspeex_encoder_select="audio_frame_queue"
2207 libtheora_encoder_deps="libtheora"
2208 libtwolame_encoder_deps="libtwolame"
2209 libvo_aacenc_encoder_deps="libvo_aacenc"
2210 libvo_aacenc_encoder_select="audio_frame_queue"
2211 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2212 libvorbis_encoder_deps="libvorbis"
2213 libvorbis_encoder_select="audio_frame_queue"
2214 libvpx_vp8_decoder_deps="libvpx"
2215 libvpx_vp8_encoder_deps="libvpx"
2216 libvpx_vp9_decoder_deps="libvpx"
2217 libvpx_vp9_encoder_deps="libvpx"
2218 libwavpack_encoder_deps="libwavpack"
2219 libwebp_encoder_deps="libwebp"
2220 libx262_encoder_deps="libx262"
2221 libx264_encoder_deps="libx264"
2222 libx265_encoder_deps="libx265"
2223 libxavs_encoder_deps="libxavs"
2224 libxvid_encoder_deps="libxvid"
2225
2226 # demuxers / muxers
2227 ac3_demuxer_select="ac3_parser"
2228 asf_demuxer_select="riffdec"
2229 asf_muxer_select="riffenc"
2230 asf_stream_muxer_select="asf_muxer"
2231 avi_demuxer_select="iso_media riffdec"
2232 avi_muxer_select="riffenc"
2233 avisynth_demuxer_deps="avisynth"
2234 avisynth_demuxer_select="riffdec"
2235 caf_demuxer_select="iso_media riffdec"
2236 dash_muxer_select="mp4_muxer"
2237 dirac_demuxer_select="dirac_parser"
2238 dv_demuxer_select="dvprofile"
2239 dv_muxer_select="dvprofile"
2240 dxa_demuxer_select="riffdec"
2241 eac3_demuxer_select="ac3_parser"
2242 f4v_muxer_select="mov_muxer"
2243 flac_demuxer_select="flac_parser"
2244 hds_muxer_select="flv_muxer"
2245 hls_muxer_select="mpegts_muxer"
2246 ipod_muxer_select="mov_muxer"
2247 ismv_muxer_select="mov_muxer"
2248 matroska_audio_muxer_select="matroska_muxer"
2249 matroska_demuxer_select="iso_media riffdec"
2250 matroska_demuxer_suggest="bzlib lzo zlib"
2251 matroska_muxer_select="iso_media riffenc"
2252 mmf_muxer_select="riffenc"
2253 mov_demuxer_select="iso_media riffdec"
2254 mov_demuxer_suggest="zlib"
2255 mov_muxer_select="iso_media riffenc rtpenc_chain"
2256 mp3_demuxer_select="mpegaudio_parser"
2257 mp4_muxer_select="mov_muxer"
2258 mpegts_demuxer_select="iso_media"
2259 mpegts_muxer_select="adts_muxer latm_muxer"
2260 mpegtsraw_demuxer_select="mpegts_demuxer"
2261 mxf_d10_muxer_select="mxf_muxer"
2262 nut_muxer_select="riffenc"
2263 nuv_demuxer_select="riffdec"
2264 oga_muxer_select="ogg_muxer"
2265 ogg_demuxer_select="dirac_parse"
2266 opus_muxer_select="ogg_muxer"
2267 psp_muxer_select="mov_muxer"
2268 rtp_demuxer_select="sdp_demuxer"
2269 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
2270 rtsp_demuxer_select="http_protocol rtpdec"
2271 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2272 sap_demuxer_select="sdp_demuxer"
2273 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2274 sdp_demuxer_select="rtpdec"
2275 smoothstreaming_muxer_select="ismv_muxer"
2276 spdif_muxer_select="aac_parser"
2277 spx_muxer_select="ogg_muxer"
2278 swf_demuxer_suggest="zlib"
2279 tak_demuxer_select="tak_parser"
2280 tg2_muxer_select="mov_muxer"
2281 tgp_muxer_select="mov_muxer"
2282 w64_demuxer_select="wav_demuxer"
2283 wav_demuxer_select="riffdec"
2284 wav_muxer_select="riffenc"
2285 webm_muxer_select="iso_media riffenc"
2286 webm_muxer_suggest="libopus_encoder libvorbis_encoder libvpx_vp8_encoder libvpx_vp9_encoder"
2287 wtv_demuxer_select="mpegts_demuxer riffdec"
2288 xmv_demuxer_select="riffdec"
2289 xwma_demuxer_select="riffdec"
2290
2291 # indevs / outdevs
2292 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2293 alsa_outdev_deps="alsa_asoundlib_h"
2294 avfoundation_indev_deps="AVFoundation_AVFoundation_h"
2295 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2296 dv1394_indev_deps="dv1394"
2297 dv1394_indev_select="dv_demuxer"
2298 fbdev_indev_deps="linux_fb_h"
2299 jack_indev_deps="jack_jack_h pthreads"
2300 libcdio_indev_deps="libcdio"
2301 libdc1394_indev_deps="libdc1394"
2302 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2303 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2304 pulse_indev_deps="libpulse"
2305 sndio_indev_deps="sndio_h"
2306 sndio_outdev_deps="sndio_h"
2307 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2308 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2309 vfwcap_indev_extralibs="-lavicap32"
2310 x11grab_indev_deps="x11grab"
2311 x11grab_xcb_indev_deps="libxcb"
2312
2313 # protocols
2314 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2315 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
2316 ffrtmpcrypt_protocol_select="tcp_protocol"
2317 ffrtmphttp_protocol_deps="!librtmp_protocol"
2318 ffrtmphttp_protocol_select="http_protocol"
2319 gopher_protocol_select="network"
2320 http_protocol_select="tcp_protocol"
2321 httpproxy_protocol_select="tcp_protocol"
2322 https_protocol_select="tls_protocol"
2323 icecast_protocol_select="http_protocol"
2324 librtmp_protocol_deps="librtmp"
2325 librtmpe_protocol_deps="librtmp"
2326 librtmps_protocol_deps="librtmp"
2327 librtmpt_protocol_deps="librtmp"
2328 librtmpte_protocol_deps="librtmp"
2329 mmsh_protocol_select="http_protocol"
2330 mmst_protocol_select="network"
2331 rtmp_protocol_deps="!librtmp_protocol"
2332 rtmp_protocol_select="tcp_protocol"
2333 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2334 rtmps_protocol_deps="!librtmp_protocol"
2335 rtmps_protocol_select="tls_protocol"
2336 rtmpt_protocol_select="ffrtmphttp_protocol"
2337 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2338 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2339 rtp_protocol_select="udp_protocol"
2340 sctp_protocol_deps="struct_sctp_event_subscribe"
2341 sctp_protocol_select="network"
2342 srtp_protocol_select="rtp_protocol srtp"
2343 tcp_protocol_select="network"
2344 tls_gnutls_protocol_deps="gnutls"
2345 tls_gnutls_protocol_select="tcp_protocol"
2346 tls_openssl_protocol_deps="openssl !tls_gnutls_protocol"
2347 tls_openssl_protocol_select="tcp_protocol"
2348 tls_protocol_deps_any="tls_gnutls_protocol tls_openssl_protocol"
2349 udp_protocol_select="network"
2350 unix_protocol_deps="sys_un_h"
2351 unix_protocol_select="network"
2352
2353 # filters
2354 blackframe_filter_deps="gpl"
2355 boxblur_filter_deps="gpl"
2356 bs2b_filter_deps="libbs2b"
2357 cropdetect_filter_deps="gpl"
2358 delogo_filter_deps="gpl"
2359 drawtext_filter_deps="libfreetype"
2360 frei0r_filter_deps="frei0r dlopen"
2361 frei0r_filter_extralibs='$ldl'
2362 frei0r_src_filter_deps="frei0r dlopen"
2363 frei0r_src_filter_extralibs='$ldl'
2364 hqdn3d_filter_deps="gpl"
2365 hwupload_cuda_filter_deps="cuda"
2366 interlace_filter_deps="gpl"
2367 ocv_filter_deps="libopencv"
2368 resample_filter_deps="avresample"
2369 scale_filter_deps="swscale"
2370 scale_npp_filter_deps="cuda libnpp"
2371 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
2372
2373 # examples
2374 avcodec_example_deps="avcodec avutil"
2375 filter_audio_example_deps="avfilter avutil"
2376 metadata_example_deps="avformat avutil"
2377 output_example_deps="avcodec avformat avutil swscale"
2378 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2379 transcode_aac_example_deps="avcodec avformat avresample"
2380
2381 # libraries, in linking order
2382 avcodec_deps="avutil"
2383 avdevice_deps="avformat avcodec avutil"
2384 avfilter_deps="avutil"
2385 avformat_deps="avcodec avutil"
2386 avresample_deps="avutil"
2387 swscale_deps="avutil"
2388
2389 # programs
2390 avconv_deps="avcodec avfilter avformat avresample swscale"
2391 avconv_select="aformat_filter anull_filter asyncts_filter atrim_filter format_filter
2392 fps_filter null_filter resample_filter scale_filter
2393 setpts_filter trim_filter"
2394 avplay_deps="avcodec avfilter avformat avresample sdl"
2395 avplay_libs='$sdl_libs'
2396 avplay_select="rdft format_filter transpose_filter hflip_filter vflip_filter"
2397 avprobe_deps="avcodec avformat"
2398
2399 # documentation
2400 pod2man_deps="doc"
2401 texi2html_deps="doc"
2402
2403 # default parameters
2404
2405 logfile="config.log"
2406
2407 # installation paths
2408 prefix_default="/usr/local"
2409 bindir_default='${prefix}/bin'
2410 datadir_default='${prefix}/share/avconv'
2411 docdir_default='${prefix}/share/doc/libav'
2412 incdir_default='${prefix}/include'
2413 libdir_default='${prefix}/lib'
2414 mandir_default='${prefix}/share/man'
2415 shlibdir_default="$libdir_default"
2416
2417 # toolchain
2418 ar_default="ar"
2419 cc_default="gcc"
2420 host_cc_default="gcc"
2421 cp_f="cp -f"
2422 ln_s="ln -s -f"
2423 nm_default="nm -g"
2424 objformat="elf"
2425 pkg_config_default=pkg-config
2426 ranlib="ranlib"
2427 strip="strip"
2428 yasmexe="yasm"
2429
2430 # machine
2431 arch_default=$(uname -m)
2432 cpu="generic"
2433 intrinsics="none"
2434
2435 # OS
2436 target_os_default=$(tolower $(uname -s))
2437 host_os=$target_os_default
2438
2439 # configurable options
2440 enable $EXAMPLE_LIST $LIBRARY_LIST $PROGRAM_LIST
2441
2442 enable asm
2443 enable debug
2444 enable doc
2445 enable faan faandct faanidct
2446 enable optimizations
2447 enable safe_bitstream_reader
2448 enable static
2449 enable swscale_alpha
2450 enable valgrind_backtrace
2451
2452 # By default, enable only those hwaccels that have no external dependencies.
2453 enable d3d11va dxva2 vda vdpau
2454
2455 # build settings
2456 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2457 LIBPREF="lib"
2458 LIBSUF=".a"
2459 FULLNAME='$(NAME)$(BUILDSUF)'
2460 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2461 SLIBPREF="lib"
2462 SLIBSUF=".so"
2463 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2464 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2465 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2466 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2467 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2468 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2469
2470 asflags_filter=echo
2471 cflags_filter=echo
2472 ldflags_filter=echo
2473
2474 AS_C='-c'
2475 AS_O='-o $@'
2476 CC_C='-c'
2477 CC_E='-E -o $@'
2478 CC_O='-o $@'
2479 OBJCC_C='-c'
2480 OBJCC_E='-E -o $@'
2481 OBJCC_O='-o $@'
2482 LD_O='-o $@'
2483 LD_LIB='-l%'
2484 LD_PATH='-L'
2485 HOSTCC_C='-c'
2486 HOSTCC_E='-E -o $@'
2487 HOSTCC_O='-o $@'
2488 HOSTLD_O='-o $@'
2489
2490 host_libs='-lm'
2491 host_cflags_filter=echo
2492 host_ldflags_filter=echo
2493
2494 target_path='$(CURDIR)'
2495
2496 # since the object filename is not given with the -MM flag, the compiler
2497 # is only able to print the basename, and we must add the path ourselves
2498 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2499 DEPFLAGS='-MM'
2500
2501 # find source path
2502 if test -f configure; then
2503 source_path=.
2504 else
2505 source_path=$(cd $(dirname "$0"); pwd)
2506 echo "$source_path" | grep -q '[[:blank:]]' &&
2507 die "Out of tree builds are impossible with whitespace in source path."
2508 test -e "$source_path/config.h" &&
2509 die "Out of tree builds are impossible with config.h in source dir."
2510 fi
2511
2512 for v in "$@"; do
2513 r=${v#*=}
2514 l=${v%"$r"}
2515 r=$(sh_quote "$r")
2516 LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
2517 done
2518
2519 find_things(){
2520 thing=$1
2521 pattern=$2
2522 file=$source_path/$3
2523 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2524 }
2525
2526 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
2527 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
2528 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
2529 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
2530 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
2531 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
2532 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
2533 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
2534 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
2535
2536 find_things_extern(){
2537 thing=$1
2538 pattern=$2
2539 file=$source_path/$3
2540 sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
2541 }
2542
2543 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
2544 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
2545
2546 ALL_COMPONENTS="
2547 $BSF_LIST
2548 $DECODER_LIST
2549 $DEMUXER_LIST
2550 $ENCODER_LIST
2551 $FILTER_LIST
2552 $HWACCEL_LIST
2553 $INDEV_LIST
2554 $MUXER_LIST
2555 $OUTDEV_LIST
2556 $PARSER_LIST
2557 $PROTOCOL_LIST
2558 "
2559
2560 for n in $COMPONENT_LIST; do
2561 v=$(toupper ${n%s})_LIST
2562 eval enable \$$v
2563 eval ${n}_if_any="\$$v"
2564 done
2565
2566 enable $ARCH_EXT_LIST
2567
2568 die_unknown(){
2569 echo "Unknown option \"$1\"."
2570 echo "See $0 --help for available options."
2571 exit 1
2572 }
2573
2574 print_3_columns() {
2575 printf "%-25s %-25s %-25s\n" $(cat | tr ' ' '\n' | sort)
2576 }
2577
2578 show_list() {
2579 suffix=_$1
2580 shift
2581 echo $* | sed s/$suffix//g | print_3_columns
2582 exit 0
2583 }
2584
2585 rand_list(){
2586 IFS=', '
2587 set -- $*
2588 unset IFS
2589 for thing; do
2590 comp=${thing%:*}
2591 prob=${thing#$comp}
2592 prob=${prob#:}
2593 is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2594 echo "prob ${prob:-0.5}"
2595 printf '%s\n' $comp
2596 done
2597 }
2598
2599 do_random(){
2600 action=$1
2601 shift
2602 random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2603 $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2604 }
2605
2606 for opt do
2607 optval="${opt#*=}"
2608 case "$opt" in
2609 --extra-ldflags=*)
2610 add_ldflags $optval
2611 ;;
2612 --extra-ldexeflags=*)
2613 add_ldexeflags $optval
2614 ;;
2615 --extra-libs=*)
2616 add_extralibs $optval
2617 ;;
2618 --disable-devices)
2619 disable $INDEV_LIST $OUTDEV_LIST
2620 ;;
2621 --enable-debug=*)
2622 debuglevel="$optval"
2623 ;;
2624 --disable-programs)
2625 disable $PROGRAM_LIST
2626 ;;
2627 --disable-everything)
2628 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2629 ;;
2630 --disable-all)
2631 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2632 disable $LIBRARY_LIST $PROGRAM_LIST doc
2633 ;;
2634 --enable-random|--disable-random)
2635 action=${opt%%-random}
2636 do_random ${action#--} $COMPONENT_LIST
2637 ;;
2638 --enable-random=*|--disable-random=*)
2639 action=${opt%%-random=*}
2640 do_random ${action#--} $optval
2641 ;;
2642 --enable-*=*|--disable-*=*)
2643 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2644 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2645 eval list=\$$(toupper $thing)_LIST
2646 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2647 $action $(filter "$name" $list)
2648 ;;
2649 --enable-avserver|--disable-avserver*)
2650 warn "avserver has been removed, the ${opt} option is only"\
2651 "provided for compatibility and will be removed in the future"
2652 ;;
2653 --enable-?*|--disable-?*)
2654 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2655 if is_in $option $COMPONENT_LIST; then
2656 test $action = disable && action=unset
2657 eval $action \$$(toupper ${option%s})_LIST
2658 elif is_in $option $CMDLINE_SELECT; then
2659 $action $option
2660 else
2661 die_unknown $opt
2662 fi
2663 ;;
2664 --list-*)
2665 NAME="${opt#--list-}"
2666 is_in $NAME $COMPONENT_LIST || die_unknown $opt
2667 NAME=${NAME%s}
2668 eval show_list $NAME \$$(toupper $NAME)_LIST
2669 ;;
2670 --help|-h) show_help
2671 ;;
2672 *)
2673 optname="${opt%%=*}"
2674 optname="${optname#--}"
2675 optname=$(echo "$optname" | sed 's/-/_/g')
2676 if is_in $optname $CMDLINE_SET; then
2677 eval $optname='$optval'
2678 elif is_in $optname $CMDLINE_APPEND; then
2679 append $optname "$optval"
2680 else
2681 die_unknown $opt
2682 fi
2683 ;;
2684 esac
2685 done
2686
2687 for e in $env; do
2688 eval "export $e"
2689 done
2690
2691 disabled logging && logfile=/dev/null
2692
2693 # Disable all the library-specific components if the library itself
2694 # is disabled, see AVCODEC_LIST and following _LIST variables.
2695
2696 disable_components(){
2697 disabled ${1} && disable $(
2698 eval components="\$$(toupper ${1})_COMPONENTS"
2699 map 'eval echo \${$(toupper ${v%s})_LIST}' $components
2700 )
2701 }
2702
2703 map 'disable_components $v' $LIBRARY_LIST
2704
2705 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
2706 set >> $logfile
2707
2708 case "$toolchain" in
2709 *-asan)
2710 cc_default="${toolchain%-asan}"
2711 add_cflags -fsanitize=address
2712 add_ldflags -fsanitize=address
2713 ;;
2714 *-msan)
2715 cc_default="${toolchain%-msan}"
2716 add_cflags -fsanitize=memory -fsanitize-memory-track-origins
2717 add_ldflags -fsanitize=memory
2718 ;;
2719 *-tsan)
2720 cc_default="${toolchain%-tsan}"
2721 add_cflags -fsanitize=thread -pie
2722 add_ldflags -fsanitize=thread -pie
2723 case "$toolchain" in
2724 gcc-tsan)
2725 add_cflags -fPIC
2726 add_ldflags -fPIC
2727 ;;
2728 esac
2729 ;;
2730 *-usan)
2731 cc_default="${toolchain%-usan}"
2732 add_cflags -fsanitize=undefined
2733 add_ldflags -fsanitize=undefined
2734 case "$toolchain" in
2735 clang-usan)
2736 add_cflags -O1
2737 ;;
2738 esac
2739 ;;
2740 valgrind-*)
2741 target_exec_default="valgrind"
2742 case "$toolchain" in
2743 valgrind-massif)
2744 target_exec_args="--alloc-fn=av_malloc --alloc-fn=av_mallocz"
2745 ;;
2746 valgrind-memcheck)
2747 target_exec_args="--track-origins=yes --leak-check=full"
2748 ;;
2749 esac
2750 ;;
2751 msvc)
2752 # Check whether the current MSVC version needs the C99 converter.
2753 # From MSVC 2013 (compiler major version 18) onwards, it does actually
2754 # support enough of C99 to build libav. Default to the new
2755 # behaviour if the regexp was unable to match anything, since this
2756 # successfully parses the version number of existing supported
2757 # versions that require the converter (MSVC 2010 and 2012).
2758 cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
2759 if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
2760 cc_default="cl"
2761 else
2762 cc_default="c99wrap cl"
2763 fi
2764 ld_default="$source_path/compat/windows/mslink"
2765 nm_default="dumpbin -symbols"
2766 ar_default="lib"
2767 case "$arch" in
2768 arm*)
2769 as_default="armasm"
2770 ;;
2771 esac
2772 target_os_default="win32"
2773 # Use a relative path for TMPDIR. This makes sure all the
2774 # ffconf temp files are written with a relative path, avoiding
2775 # issues with msys/win32 path conversion for MSVC parameters
2776 # such as -Fo<file> or -out:<file>.
2777 TMPDIR=.
2778 ;;
2779 icl)
2780 cc_default="icl"
2781 ld_default="xilink"
2782 nm_default="dumpbin -symbols"
2783 ar_default="xilib"
2784 target_os_default="win32"
2785 TMPDIR=.
2786 ;;
2787 gcov)
2788 add_cflags -fprofile-arcs -ftest-coverage
2789 add_ldflags -fprofile-arcs -ftest-coverage
2790 ;;
2791 llvm-cov)
2792 add_cflags -fprofile-arcs -ftest-coverage
2793 add_ldflags --coverage
2794 ;;
2795 hardened)
2796 add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
2797 add_cflags -fno-strict-overflow -fstack-protector-all
2798 add_ldflags -Wl,-z,relro -Wl,-z,now
2799 ;;
2800 ?*)
2801 die "Unknown toolchain $toolchain"
2802 ;;
2803 esac
2804
2805 test -n "$cross_prefix" && enable cross_compile
2806
2807 if enabled cross_compile; then
2808 test -n "$arch" && test -n "$target_os" ||
2809 die "Must specify target arch and OS when cross-compiling"
2810 fi
2811
2812 ar_default="${cross_prefix}${ar_default}"
2813 cc_default="${cross_prefix}${cc_default}"
2814 occ_default="${cross_prefix}${occ_default}"
2815 nm_default="${cross_prefix}${nm_default}"
2816 pkg_config_default="${cross_prefix}${pkg_config_default}"
2817 ranlib="${cross_prefix}${ranlib}"
2818 strip="${cross_prefix}${strip}"
2819
2820 sysinclude_default="${sysroot}/usr/include"
2821
2822 set_default arch cc pkg_config sysinclude target_exec target_os
2823 enabled cross_compile || host_cc_default=$cc
2824 set_default host_cc
2825
2826 if ! $pkg_config --version >/dev/null 2>&1; then
2827 warn "$pkg_config not found, library detection may fail."
2828 pkg_config=false
2829 fi
2830
2831 exesuf() {
2832 case $1 in
2833 mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2834 esac
2835 }
2836
2837 EXESUF=$(exesuf $target_os)
2838 HOSTEXESUF=$(exesuf $host_os)
2839
2840 # set temporary file name
2841 : ${TMPDIR:=$TEMPDIR}
2842 : ${TMPDIR:=$TMP}
2843 : ${TMPDIR:=/tmp}
2844
2845 if ! check_cmd mktemp -u XXXXXX; then
2846 # simple replacement for missing mktemp
2847 # NOT SAFE FOR GENERAL USE
2848 mktemp(){
2849 echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2850 }
2851 fi
2852
2853 tmpfile(){
2854 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2855 (set -C; exec > $tmp) 2>/dev/null ||
2856 die "Unable to create temporary file in $TMPDIR."
2857 append TMPFILES $tmp
2858 eval $1=$tmp
2859 }
2860
2861 trap 'rm -f -- $TMPFILES' EXIT
2862
2863 tmpfile TMPASM .asm
2864 tmpfile TMPC .c
2865 tmpfile TMPE $EXESUF
2866 tmpfile TMPH .h
2867 tmpfile TMPO .o
2868 tmpfile TMPS .S
2869 tmpfile TMPSH .sh
2870 tmpfile TMPV .ver
2871
2872 unset -f mktemp
2873
2874 chmod +x $TMPE
2875
2876 # make sure we can execute files in $TMPDIR
2877 cat > $TMPSH 2>> $logfile <<EOF
2878 #! /bin/sh
2879 EOF
2880 chmod +x $TMPSH >> $logfile 2>&1
2881 if ! $TMPSH >> $logfile 2>&1; then
2882 cat <<EOF
2883 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
2884 variable to another directory and make sure that it is not mounted noexec.
2885 EOF
2886 die "Sanity test failed."
2887 fi
2888
2889 armasm_flags(){
2890 for flag; do
2891 case $flag in
2892 # Filter out MSVC cl.exe options from cflags that shouldn't
2893 # be passed to gas-preprocessor
2894 -M[TD]*) ;;
2895 *) echo $flag ;;
2896 esac
2897 done
2898 }
2899
2900 ccc_flags(){
2901 for flag; do
2902 case $flag in
2903 -std=c99) echo -c99 ;;
2904 -mcpu=*) echo -arch ${flag#*=} ;;
2905 -mieee) echo -ieee ;;
2906 -O*|-fast) echo $flag ;;
2907 -fno-math-errno) echo -assume nomath_errno ;;
2908 -g) echo -g3 ;;
2909 -Wall) echo -msg_enable level2 ;;
2910 -Wno-pointer-sign) echo -msg_disable ptrmismatch1 ;;
2911 -Wl,*) echo $flag ;;
2912 -f*|-W*) ;;
2913 *) echo $flag ;;
2914 esac
2915 done
2916 }
2917
2918 cparser_flags(){
2919 for flag; do
2920 case $flag in
2921 -Wno-switch) echo -Wno-switch-enum ;;
2922 -Wno-format-zero-length) ;;
2923 -Wdisabled-optimization) ;;
2924 -Wno-pointer-sign) echo -Wno-other ;;
2925 *) echo $flag ;;
2926 esac
2927 done
2928 }
2929
2930 msvc_common_flags(){
2931 for flag; do
2932 case $flag in
2933 # In addition to specifying certain flags under the compiler
2934 # specific filters, they must be specified here as well or else the
2935 # generic catch all at the bottom will print the original flag.
2936 -Wall) ;;
2937 -std=c99) ;;
2938 # Common flags
2939 -fomit-frame-pointer) ;;
2940 -g) echo -Z7 ;;
2941 -fno-math-errno) ;;
2942 -fno-common) ;;
2943 -fno-signed-zeros) ;;
2944 -fPIC) ;;
2945 -mthumb) ;;
2946 -march=*) ;;
2947 -lz) echo zlib.lib ;;
2948 -lavifil32) echo vfw32.lib ;;
2949 -lavicap32) echo vfw32.lib user32.lib ;;
2950 -lx264) echo libx264.lib ;;
2951 -l*) echo ${flag#-l}.lib ;;
2952 -L*) echo -libpath:${flag#-L} ;;
2953 *) echo $flag ;;
2954 esac
2955 done
2956 }
2957
2958 msvc_flags(){
2959 msvc_common_flags "$@"
2960 for flag; do
2961 case $flag in
2962 -Wall) echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
2963 -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
2964 -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
2965 -wd4273 -wd4554 -wd4701 ;;
2966 esac
2967 done
2968 }
2969
2970 icl_flags(){
2971 msvc_common_flags "$@"
2972 for flag; do
2973 case $flag in
2974 # Despite what Intel's documentation says -Wall, which is supported
2975 # on Windows, does enable remarks so disable them here.
2976 -Wall) echo $flag -Qdiag-disable:remark ;;
2977 -std=c99) echo -Qstd=c99 ;;
2978 esac
2979 done
2980 }
2981
2982 pgi_flags(){
2983 for flag; do
2984 case $flag in
2985 -flto) echo -Mipa=fast,libopt,libinline,vestigial ;;
2986 -fomit-frame-pointer) echo -Mnoframe ;;
2987 -g) echo -gopt ;;
2988 *) echo $flag ;;
2989 esac
2990 done
2991 }
2992
2993 suncc_flags(){
2994 for flag; do
2995 case $flag in
2996 -march=*|-mcpu=*)
2997 case "${flag#*=}" in
2998 native) echo -xtarget=native ;;
2999 v9|niagara) echo -xarch=sparc ;;
3000 ultrasparc) echo -xarch=sparcvis ;;
3001 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
3002 i586|pentium) echo -xchip=pentium ;;
3003 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
3004 pentium3*|c3-2) echo -xtarget=pentium3 ;;
3005 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
3006 pentium4*) echo -xtarget=pentium4 ;;
3007 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
3008 *-sse3) echo -xarch=sse3 ;;
3009 core2) echo -xarch=ssse3 -xchip=core2 ;;
3010 corei7) echo -xarch=sse4_2 -xchip=nehalem ;;
3011 corei7-avx) echo -xarch=avx -xchip=sandybridge ;;
3012 amdfam10|barcelona|bdver*) echo -xarch=sse4_1 ;;
3013 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
3014 k8|opteron|athlon64|athlon-fx)
3015 echo -xarch=sse2a ;;
3016 athlon*) echo -xarch=pentium_proa ;;
3017 esac
3018 ;;
3019 -std=c99) echo -xc99 ;;
3020 -fomit-frame-pointer) echo -xregs=frameptr ;;
3021 -fPIC) echo -KPIC -xcode=pic32 ;;
3022 -W*,*) echo $flag ;;
3023 -f*-*|-W*|-mimpure-text) ;;
3024 -shared) echo -G ;;
3025 *) echo $flag ;;
3026 esac
3027 done
3028 }
3029
3030 tms470_flags(){
3031 for flag; do
3032 case $flag in
3033 -march=*|-mcpu=*)
3034 case "${flag#*=}" in
3035 armv7-a|cortex-a*) echo -mv=7a8 ;;
3036 armv7-r|cortex-r*) echo -mv=7r4 ;;
3037 armv7-m|cortex-m*) echo -mv=7m3 ;;
3038 armv6*|arm11*) echo -mv=6 ;;
3039 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3040 echo -mv=5e ;;
3041 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
3042 esac
3043 ;;
3044 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
3045 -mfpu=vfp) echo --float_support=vfpv2 ;;
3046 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
3047 -mfpu=vfpv3-d16) echo --float_support=vfpv3d16 ;;
3048 -msoft-float) echo --float_support=vfplib ;;
3049 -O[0-3]|-mf=*) echo $flag ;;
3050 -g) echo -g -mn ;;
3051 -pds=*) echo $flag ;;
3052 -D*|-I*) echo $flag ;;
3053 --gcc|--abi=*) echo $flag ;;
3054 -me) echo $flag ;;
3055 esac
3056 done
3057 }
3058
3059 probe_cc(){
3060 pfx=$1
3061 _cc=$2
3062
3063 unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3064 unset _ld_o _ldflags _ld_lib _ld_path
3065 unset _depflags _DEPCMD _DEPFLAGS
3066 _flags_filter=echo
3067
3068 if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3069 _type=llvm_gcc
3070 gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
3071 _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
3072 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3073 _cflags_speed='-O3'
3074 _cflags_size='-Os'
3075 elif $_cc -v 2>&1 | grep -qi ^gcc; then
3076 _type=gcc
3077 gcc_version=$($_cc --version | head -n1)
3078 gcc_basever=$($_cc -dumpversion)
3079 gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3080 gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3081 _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3082 if ! $_cc -dumpversion | grep -q '^2\.'; then
3083 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3084 fi
3085 _cflags_speed='-O3'
3086 _cflags_size='-Os'
3087 elif $_cc --version 2>/dev/null | grep -q ^icc; then
3088 _type=icc
3089 _ident=$($_cc --version | head -n1)
3090 _depflags='-MMD'
3091 _cflags_speed='-O3'
3092 _cflags_size='-Os'
3093 _cflags_noopt='-O1'
3094 elif $_cc -v 2>&1 | grep -q xlc; then
3095 _type=xlc
3096 _ident=$($_cc -qversion 2>/dev/null | head -n1)
3097 _cflags_speed='-O5'
3098 _cflags_size='-O5 -qcompact'
3099 elif $_cc -V 2>/dev/null | grep -q Compaq; then
3100 _type=ccc
3101 _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3102 _DEPFLAGS='-M'
3103 _cflags_speed='-fast'
3104 _cflags_size='-O1'
3105 _flags_filter=ccc_flags
3106 elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3107 test -d "$sysroot" || die "No valid sysroot specified."
3108 _type=armcc
3109 _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3110 armcc_conf="$PWD/armcc.conf"
3111 $_cc --arm_linux_configure \
3112 --arm_linux_config_file="$armcc_conf" \
3113 --configure_sysroot="$sysroot" \
3114 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3115 die "Error creating armcc configuration file."
3116 $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3117 _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3118 as_default="${cross_prefix}gcc"
3119 _depflags='-MMD'
3120 _cflags_speed='-O3'
3121 _cflags_size='-Os'
3122 elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3123 _type=tms470
3124 _ident=$($_cc -version | head -n1 | tr -s ' ')
3125 _flags='--gcc --abi=eabi -me'
3126 _cc_e='-ppl -fe=$@'
3127 _cc_o='-fe=$@'
3128 _depflags='-ppa -ppd=$(@:.o=.d)'
3129 _cflags_speed='-O3 -mf=5'
3130 _cflags_size='-O3 -mf=2'
3131 _flags_filter=tms470_flags
3132 elif $_cc -v 2>&1 | grep -q clang; then
3133 _type=clang
3134 _ident=$($_cc --version 2>/dev/null | head -n1)
3135 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3136 _cflags_speed='-O3'
3137 _cflags_size='-Os'
3138 elif $_cc -V 2>&1 | grep -q Sun; then
3139 _type=suncc
3140 _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3141 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3142 _DEPFLAGS='-xM1 -xc99'
3143 _ldflags='-std=c99'
3144 _cflags_speed='-O5'
3145 _cflags_size='-O5 -xspace'
3146 _flags_filter=suncc_flags
3147 elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3148 _type=pathscale
3149 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3150 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3151 _cflags_speed='-O2'
3152 _cflags_size='-Os'
3153 _flags_filter='filter_out -Wdisabled-optimization'
3154 elif $_cc -v 2>&1 | grep -q Open64; then
3155 _type=open64
3156 _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3157 _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3158 _cflags_speed='-O2'
3159 _cflags_size='-Os'
3160 _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3161 elif $_cc -V 2>&1 | grep -q Portland; then
3162 _type=pgi
3163 _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3164 opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3165 _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3166 _cflags_size="-O2 -Munroll=c:1 $opt_common"
3167 _cflags_noopt="-O1"
3168 _flags_filter=pgi_flags
3169 elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3170 _type=armasm
3171 _ident=$($_cc | head -n1)
3172 # 4509: "This form of conditional instruction is deprecated"
3173 _flags="-nologo -ignore 4509"
3174 _flags_filter=armasm_flags
3175 elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
3176 _type=msvc
3177 _ident=$($_cc 2>&1 | head -n1)
3178 _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3179 _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3180 _cflags_speed="-O2"
3181 _cflags_size="-O1"
3182 if $_cc -nologo- 2>&1 | grep -q Linker; then
3183 _ld_o='-out:$@'
3184 else
3185 _ld_o='-Fe$@'
3186 fi
3187 _cc_o='-Fo$@'
3188 _cc_e='-P -Fi$@'
3189 _flags_filter=msvc_flags
3190 _ld_lib='lib%.a'
3191 _ld_path='-libpath:'
3192 _flags='-nologo'
3193 _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS'
3194 elif $_cc 2>&1 | grep -q Intel; then
3195 _type=icl
3196 _ident=$($_cc 2>&1 | head -n1)
3197 _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3198 # Not only is O3 broken on 13.x+ but it is slower on all previous
3199 # versions (tested) as well.
3200 _cflags_speed="-O2"
3201 _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3202 if $_cc 2>&1 | grep -q Linker; then
3203 _ld_o='-out:$@'
3204 else
3205 _ld_o='-Fe$@'
3206 fi
3207 _cc_o='-Fo$@'
3208 _cc_e='-P'
3209 _flags_filter=icl_flags
3210 _ld_lib='lib%.a'
3211 _ld_path='-libpath:'
3212 # -Qdiag-error to make icl error when seeing certain unknown arguments
3213 _flags='-nologo -Qdiag-error:4044,10157'
3214 # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
3215 # with MSVC which enables it by default.
3216 _cflags='-D_USE_MATH_DEFINES -Qms0 -Qvec- -Qsimd- -GS'
3217 elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3218 _type=cparser
3219 _ident=$($_cc --version | head -n1)
3220 _depflags='-MMD'
3221 _cflags_speed='-O4'
3222 _cflags_size='-O2'
3223 _flags_filter=cparser_flags
3224 fi
3225
3226 eval ${pfx}_type=\$_type
3227 eval ${pfx}_ident=\$_ident
3228 }
3229
3230 set_ccvars(){
3231 eval ${1}_C=\${_cc_c-\${${1}_C}}
3232 eval ${1}_E=\${_cc_e-\${${1}_E}}
3233 eval ${1}_O=\${_cc_o-\${${1}_O}}
3234
3235 if [ -n "$_depflags" ]; then
3236 eval ${1}_DEPFLAGS=\$_depflags
3237 else
3238 eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3239 eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3240 eval DEP${1}FLAGS=\$_flags
3241 fi
3242 }
3243
3244 probe_cc cc "$cc"
3245 cflags_filter=$_flags_filter
3246 cflags_speed=$_cflags_speed
3247 cflags_size=$_cflags_size
3248 cflags_noopt=$_cflags_noopt
3249 add_cflags $_flags $_cflags
3250 cc_ldflags=$_ldflags
3251 set_ccvars CC
3252
3253 probe_cc hostcc "$host_cc"
3254 host_cflags_filter=$_flags_filter
3255 add_host_cflags $_flags $_cflags
3256 set_ccvars HOSTCC
3257
3258 test -n "$cc_type" && enable $cc_type ||
3259 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3260
3261 : ${as_default:=$cc}
3262 : ${objcc_default:=$cc}
3263 : ${dep_cc_default:=$cc}
3264 : ${ld_default:=$cc}
3265 : ${host_ld_default:=$host_cc}
3266 set_default ar as objcc dep_cc ld host_ld
3267
3268 probe_cc as "$as"
3269 asflags_filter=$_flags_filter
3270 add_asflags $_flags $_cflags
3271 set_ccvars AS
3272
3273 probe_cc objcc "$objcc"
3274 objcflags_filter=$_flags_filter
3275 add_objcflags $_flags $_cflags
3276 set_ccvars OBJC
3277
3278 probe_cc ld "$ld"
3279 ldflags_filter=$_flags_filter
3280 add_ldflags $_flags $_ldflags
3281 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3282 LD_O=${_ld_o-$LD_O}
3283 LD_LIB=${_ld_lib-$LD_LIB}
3284 LD_PATH=${_ld_path-$LD_PATH}
3285
3286 probe_cc hostld "$host_ld"
3287 host_ldflags_filter=$_flags_filter
3288 add_host_ldflags $_flags $_ldflags
3289 HOSTLD_O=${_ld_o-$HOSTLD_O}
3290
3291 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3292 probe_cc depcc "$dep_cc"
3293 CCDEP=${_DEPCMD:-$DEPCMD}
3294 CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3295 DEPCCFLAGS=$_flags
3296 fi
3297
3298 if $ar 2>&1 | grep -q Microsoft; then
3299 arflags="-nologo"
3300 ar_o='-out:$@'
3301 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3302 arflags="rq"
3303 ar_o='$@'
3304 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3305 arflags='-Xany -r -c'
3306 ar_o='$@'
3307 else
3308 arflags="rc"
3309 ar_o='$@'
3310 fi
3311
3312 add_cflags $extra_cflags
3313 add_objcflags $extra_objcflags
3314 add_asflags $extra_cflags
3315
3316 if test -n "$sysroot"; then
3317 case "$cc_type" in
3318 gcc|llvm_gcc|clang)
3319 add_cppflags --sysroot="$sysroot"
3320 add_ldflags --sysroot="$sysroot"
3321 ;;
3322 tms470)
3323 add_cppflags -I"$sysinclude"
3324 add_ldflags --sysroot="$sysroot"
3325 ;;
3326 esac
3327 fi
3328
3329 if test "$cpu" = host; then
3330 enabled cross_compile &&
3331 die "--cpu=host makes no sense when cross-compiling."
3332
3333 case "$cc_type" in
3334 gcc|llvm_gcc)
3335 check_native(){
3336 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3337 sed -n "/cc1.*$1=/{
3338 s/.*$1=\\([^ ]*\\).*/\\1/
3339 p
3340 q
3341 }" $TMPE
3342 }
3343 cpu=$(check_native -march || check_native -mcpu)
3344 ;;
3345 esac
3346
3347 test "${cpu:-host}" = host &&
3348 die "--cpu=host not supported with compiler $cc"
3349 fi
3350
3351 # Deal with common $arch aliases
3352 case "$arch" in
3353 aarch64|arm64)
3354 arch="aarch64"
3355 ;;
3356 arm*)
3357 arch="arm"
3358 ;;
3359 mips*|IP*)
3360 case "$arch" in
3361 *el)
3362 add_cppflags -EL
3363 add_ldflags -EL
3364 ;;
3365 *eb)
3366 add_cppflags -EB
3367 add_ldflags -EB
3368 ;;
3369 esac
3370 arch="mips"
3371 ;;
3372 parisc*|hppa*)
3373 arch="parisc"
3374 ;;
3375 "Power Macintosh"|ppc*|powerpc*)
3376 arch="ppc"
3377 ;;
3378 s390|s390x)
3379 arch="s390"
3380 ;;
3381 sh4|sh)
3382 arch="sh4"
3383 ;;
3384 sun4u|sparc*)
3385 arch="sparc"
3386 ;;
3387 tilegx|tile-gx)
3388 arch="tilegx"
3389 ;;
3390 i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
3391 arch="x86"
3392 ;;
3393 esac
3394
3395 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3396 enable $arch
3397
3398 # Add processor-specific flags
3399 if enabled aarch64; then
3400
3401 case $cpu in
3402 armv*)
3403 cpuflags="-march=$cpu"
3404 ;;
3405 *)
3406 cpuflags="-mcpu=$cpu"
3407 ;;
3408 esac
3409
3410 elif enabled alpha; then
3411
3412 cpuflags="-mcpu=$cpu"
3413
3414 elif enabled arm; then
3415
3416 check_arm_arch() {
3417 check_cpp_condition stddef.h \
3418 "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3419 $cpuflags
3420 }
3421
3422 probe_arm_arch() {
3423 if check_arm_arch 4; then echo armv4;
3424 elif check_arm_arch 4T; then echo armv4t;
3425 elif check_arm_arch 5; then echo armv5;
3426 elif check_arm_arch 5E; then echo armv5e;
3427 elif check_arm_arch 5T; then echo armv5t;
3428 elif check_arm_arch 5TE; then echo armv5te;
3429 elif check_arm_arch 5TEJ; then echo armv5te;
3430 elif check_arm_arch 6; then echo armv6;
3431 elif check_arm_arch 6J; then echo armv6j;
3432 elif check_arm_arch 6K; then echo armv6k;
3433 elif check_arm_arch 6Z; then echo armv6z;
3434 elif check_arm_arch 6ZK; then echo armv6zk;
3435 elif check_arm_arch 6T2; then echo armv6t2;
3436 elif check_arm_arch 7; then echo armv7;
3437 elif check_arm_arch 7A 7_A; then echo armv7-a;
3438 elif check_arm_arch 7S; then echo armv7-a;
3439 elif check_arm_arch 7R 7_R; then echo armv7-r;
3440 elif check_arm_arch 7M 7_M; then echo armv7-m;
3441 elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3442 elif check_arm_arch 8A 8_A; then echo armv8-a;
3443 fi
3444 }
3445
3446 [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3447
3448 case $cpu in
3449 armv*)
3450 cpuflags="-march=$cpu"
3451 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3452 ;;
3453 *)
3454 cpuflags="-mcpu=$cpu"
3455 case $cpu in
3456 cortex-a*) subarch=armv7a ;;
3457 cortex-r*) subarch=armv7r ;;
3458 cortex-m*) enable thumb; subarch=armv7m ;;
3459 arm11*) subarch=armv6 ;;
3460 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3461 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
3462 *) subarch=$(probe_arm_arch) ;;
3463 esac
3464 ;;
3465 esac
3466
3467 case "$subarch" in
3468 armv5t*) enable fast_clz ;;
3469 armv[6-8]*) enable fast_clz fast_unaligned ;;
3470 esac
3471
3472 elif enabled avr32; then
3473
3474 case $cpu in
3475 ap7[02]0[0-2])
3476 subarch="avr32_ap"
3477 cpuflags="-mpart=$cpu"
3478 ;;
3479 ap)
3480 subarch="avr32_ap"
3481 cpuflags="-march=$cpu"
3482 ;;
3483 uc3[ab]*)
3484 subarch="avr32_uc"
3485 cpuflags="-mcpu=$cpu"
3486 ;;
3487 uc)
3488 subarch="avr32_uc"
3489 cpuflags="-march=$cpu"
3490 ;;
3491 esac
3492
3493 elif enabled bfin; then
3494
3495 cpuflags="-mcpu=$cpu"
3496
3497 elif enabled mips; then
3498
3499 cpuflags="-march=$cpu"
3500
3501 elif enabled ppc; then
3502
3503 disable ldbrx
3504
3505 case $(tolower $cpu) in
3506 601|ppc601|powerpc601)
3507 cpuflags="-mcpu=601"
3508 disable altivec
3509 ;;
3510 603*|ppc603*|powerpc603*)
3511 cpuflags="-mcpu=603"
3512 disable altivec
3513 ;;
3514 604*|ppc604*|powerpc604*)
3515 cpuflags="-mcpu=604"
3516 disable altivec
3517 ;;
3518 g3|75*|ppc75*|powerpc75*)
3519 cpuflags="-mcpu=750"
3520 disable altivec
3521 ;;
3522 g4|745*|ppc745*|powerpc745*)
3523 cpuflags="-mcpu=7450"
3524 disable vsx
3525 ;;
3526 74*|ppc74*|powerpc74*)
3527 cpuflags="-mcpu=7400"
3528 disable vsx
3529 ;;
3530 g5|970|ppc970|powerpc970)
3531 cpuflags="-mcpu=970"
3532 disable vsx
3533 ;;
3534 power[3-6]*)
3535 cpuflags="-mcpu=$cpu"
3536 disable vsx
3537 ;;
3538 power[7-8]*)
3539 cpuflags="-mcpu=$cpu"
3540 enable ldbrx
3541 ;;
3542 cell)
3543 cpuflags="-mcpu=cell"
3544 enable ldbrx
3545 disable vsx
3546 ;;
3547 e500mc)
3548 cpuflags="-mcpu=e500mc"
3549 disable altivec
3550 ;;
3551 e500v2)
3552 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
3553 disable altivec
3554 disable dcbzl
3555 ;;
3556 e500)
3557 cpuflags="-mcpu=8540 -mhard-float"
3558 disable altivec
3559 disable dcbzl
3560 ;;
3561 esac
3562
3563 elif enabled sparc; then
3564
3565 case $cpu in
3566 cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
3567 cpuflags="-mcpu=$cpu"
3568 ;;
3569 ultrasparc*|niagara[234])
3570 cpuflags="-mcpu=$cpu"
3571 ;;
3572 esac
3573
3574 elif enabled x86; then
3575
3576 case $cpu in
3577 i[345]86|pentium)
3578 cpuflags="-march=$cpu"
3579 disable i686
3580 disable mmx
3581 ;;
3582 # targets that do NOT support nopl and conditional mov (cmov)
3583 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
3584 cpuflags="-march=$cpu"
3585 disable i686
3586 ;;
3587 # targets that do support nopl and conditional mov (cmov)
3588 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
3589 cpuflags="-march=$cpu"
3590 enable i686
3591 enable fast_cmov
3592 ;;
3593 # targets that do support conditional mov but on which it's slow
3594 pentium4|pentium4m|prescott|nocona)
3595 cpuflags="-march=$cpu"
3596 enable i686
3597 disable fast_cmov
3598 ;;
3599 esac
3600
3601 fi
3602
3603 if [ "$cpu" != generic ]; then
3604 add_cflags $cpuflags
3605 add_asflags $cpuflags
3606 test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
3607 fi
3608
3609 # compiler sanity check
3610 check_exec <<EOF
3611 int main(void){ return 0; }
3612 EOF
3613 if test "$?" != 0; then
3614 echo "$cc is unable to create an executable file."
3615 if test -z "$cross_prefix" && ! enabled cross_compile ; then
3616 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
3617 echo "Only do this if you know what cross compiling means."
3618 fi
3619 die "C compiler test failed."
3620 fi
3621
3622 add_cppflags -D_ISOC99_SOURCE
3623 check_cflags -std=c99
3624 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
3625 #include <stdlib.h>
3626 EOF
3627 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
3628 #include <stdlib.h>
3629 EOF
3630
3631 add_host_cppflags -D_ISOC99_SOURCE
3632 check_host_cflags -std=c99
3633 check_host_cflags -Wall
3634 check_host_cflags -O3
3635
3636 check_64bit(){
3637 arch32=$1
3638 arch64=$2
3639 expr=$3
3640 check_code cc "" "int test[2*($expr) - 1]" &&
3641 subarch=$arch64 || subarch=$arch32
3642 }
3643
3644 case "$arch" in
3645 aarch64|alpha|ia64)
3646 spic=$shared
3647 ;;
3648 mips)
3649 check_64bit mips mips64 '_MIPS_SIM > 1'
3650 spic=$shared
3651 ;;
3652 parisc)
3653 check_64bit parisc parisc64 'sizeof(void *) > 4'
3654 spic=$shared
3655 ;;
3656 ppc)
3657 check_64bit ppc ppc64 'sizeof(void *) > 4'
3658 spic=$shared
3659 ;;
3660 s390)
3661 check_64bit s390 s390x 'sizeof(void *) > 4'
3662 spic=$shared
3663 ;;
3664 sparc)
3665 check_64bit sparc sparc64 'sizeof(void *) > 4'
3666 spic=$shared
3667 ;;
3668 x86)
3669 check_64bit x86_32 x86_64 'sizeof(void *) > 4'
3670 if test "$subarch" = "x86_64"; then
3671 spic=$shared
3672 fi
3673 ;;
3674 esac
3675
3676 enable $subarch
3677 enabled spic && enable_weak pic
3678
3679 # OS specific
3680 case $target_os in
3681 aix)
3682 SHFLAGS=-shared
3683 add_cppflags '-I\$(SRC_PATH)/compat/aix'
3684 enabled shared && add_ldflags -Wl,-brtl
3685 ;;
3686 android)
3687 disable symver
3688 enable section_data_rel_ro
3689 SLIB_INSTALL_NAME='$(SLIBNAME)'
3690 SLIB_INSTALL_LINKS=
3691 SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
3692 ;;
3693 haiku)
3694 prefix_default="/boot/common"
3695 network_extralibs="-lnetwork"
3696 host_libs=
3697 ;;
3698 sunos)
3699 SHFLAGS='-shared -Wl,-h,$$(@F)'
3700 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
3701 network_extralibs="-lsocket -lnsl"
3702 # When using suncc to build, the Solaris linker will mark
3703 # an executable with each instruction set encountered by
3704 # the Solaris assembler. As our libraries contain their own
3705 # guards for processor-specific code, instead suppress
3706 # generation of the HWCAPS ELF section on Solaris x86 only.
3707 enabled_all suncc x86 &&
3708 echo "hwcap_1 = OVERRIDE;" > mapfile &&
3709 add_ldflags -Wl,-M,mapfile
3710 nm_default='nm -P -g'
3711 SLIB_CREATE_DEF_CMD='$(Q)perl $(SRC_PATH)/compat/solaris/make_sunver.pl $$(filter %.ver,$$^) $(OBJS) | grep -v @ > $(SUBDIR)lib$(NAME).ver-sol2'
3712 ;;
3713 netbsd)
3714 disable symver
3715 oss_indev_extralibs="-lossaudio"